diff --git a/webui/Gemfile b/webui/Gemfile
index 6f7670f..815fa65 100644
--- a/webui/Gemfile
+++ b/webui/Gemfile
@@ -2,24 +2,24 @@ source 'https://rubygems.org/'
 #source 'file:///home/pqr/work/rubygems/'
 #source 'file:///media/laila/MARIO_64/rubygems/'
 
-gem 'rails', '4.1.8'
+gem 'rails', '6.1.7.3'
 gem 'sqlite3'
-gem 'sass-rails', '~> 4.0.0'
-gem 'uglifier', '>= 1.3.0'
-gem 'coffee-rails', '~> 4.0.0'
+gem 'sass-rails', '~> 6.0.0'
+gem 'uglifier', '>= 2.7.2'
+gem 'coffee-rails', '~> 4.2.2'
 gem 'therubyracer', platforms: :ruby
-gem 'jquery-rails'
-gem 'turbolinks'
-gem 'jbuilder', '~> 1.2'
-gem 'thin'
-gem 'devise'
-gem 'twitter-bootstrap-rails'
-gem 'less-rails'
-gem 'better_errors'
+gem 'jquery-rails', '>= 4.4.0'
+gem 'turbolinks', '>= 5.0.0'
+gem 'jbuilder', '~> 1.5', '>= 1.5.3'
+gem 'thin', '>= 1.7.0'
+gem 'devise', '>= 4.7.1'
+gem 'twitter-bootstrap-rails', '>= 3.2.2'
+gem 'less-rails', '>= 4.0.0'
+gem 'better_errors', '>= 2.8.0'
 gem 'binding_of_caller'
 gem 'web-console'
 
 group :doc do
   # bundle exec rake doc:rails generates the API under doc/api.
-  gem 'sdoc', require: false
+  gem 'sdoc', '>= 1.0.0', require: false
 end
diff --git a/webui/Gemfile.lock b/webui/Gemfile.lock
index 82e2cc4..fac1fdc 100644
--- a/webui/Gemfile.lock
+++ b/webui/Gemfile.lock
@@ -1,175 +1,259 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    actionmailer (4.1.8)
-      actionpack (= 4.1.8)
-      actionview (= 4.1.8)
+    actioncable (6.1.7.3)
+      actionpack (= 6.1.7.3)
+      activesupport (= 6.1.7.3)
+      nio4r (~> 2.0)
+      websocket-driver (>= 0.6.1)
+    actionmailbox (6.1.7.3)
+      actionpack (= 6.1.7.3)
+      activejob (= 6.1.7.3)
+      activerecord (= 6.1.7.3)
+      activestorage (= 6.1.7.3)
+      activesupport (= 6.1.7.3)
+      mail (>= 2.7.1)
+    actionmailer (6.1.7.3)
+      actionpack (= 6.1.7.3)
+      actionview (= 6.1.7.3)
+      activejob (= 6.1.7.3)
+      activesupport (= 6.1.7.3)
       mail (~> 2.5, >= 2.5.4)
-    actionpack (4.1.8)
-      actionview (= 4.1.8)
-      activesupport (= 4.1.8)
-      rack (~> 1.5.2)
-      rack-test (~> 0.6.2)
-    actionview (4.1.8)
-      activesupport (= 4.1.8)
+      rails-dom-testing (~> 2.0)
+    actionpack (6.1.7.3)
+      actionview (= 6.1.7.3)
+      activesupport (= 6.1.7.3)
+      rack (~> 2.0, >= 2.0.9)
+      rack-test (>= 0.6.3)
+      rails-dom-testing (~> 2.0)
+      rails-html-sanitizer (~> 1.0, >= 1.2.0)
+    actiontext (6.1.7.3)
+      actionpack (= 6.1.7.3)
+      activerecord (= 6.1.7.3)
+      activestorage (= 6.1.7.3)
+      activesupport (= 6.1.7.3)
+      nokogiri (>= 1.8.5)
+    actionview (6.1.7.3)
+      activesupport (= 6.1.7.3)
       builder (~> 3.1)
-      erubis (~> 2.7.0)
-    activemodel (4.1.8)
-      activesupport (= 4.1.8)
-      builder (~> 3.1)
-    activerecord (4.1.8)
-      activemodel (= 4.1.8)
-      activesupport (= 4.1.8)
-      arel (~> 5.0.0)
-    activesupport (4.1.8)
-      i18n (~> 0.6, >= 0.6.9)
-      json (~> 1.7, >= 1.7.7)
-      minitest (~> 5.1)
-      thread_safe (~> 0.1)
-      tzinfo (~> 1.1)
-    arel (5.0.1.20140414130214)
-    bcrypt (3.1.10)
-    better_errors (2.1.1)
+      erubi (~> 1.4)
+      rails-dom-testing (~> 2.0)
+      rails-html-sanitizer (~> 1.1, >= 1.2.0)
+    activejob (6.1.7.3)
+      activesupport (= 6.1.7.3)
+      globalid (>= 0.3.6)
+    activemodel (6.1.7.3)
+      activesupport (= 6.1.7.3)
+    activerecord (6.1.7.3)
+      activemodel (= 6.1.7.3)
+      activesupport (= 6.1.7.3)
+    activestorage (6.1.7.3)
+      actionpack (= 6.1.7.3)
+      activejob (= 6.1.7.3)
+      activerecord (= 6.1.7.3)
+      activesupport (= 6.1.7.3)
+      marcel (~> 1.0)
+      mini_mime (>= 1.1.0)
+    activesupport (6.1.7.3)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (>= 1.6, < 2)
+      minitest (>= 5.1)
+      tzinfo (~> 2.0)
+      zeitwerk (~> 2.3)
+    bcrypt (3.1.18)
+    better_errors (2.9.1)
       coderay (>= 1.0.0)
-      erubis (>= 2.6.6)
+      erubi (>= 1.0.0)
       rack (>= 0.9.0)
-    binding_of_caller (0.7.2)
+    bindex (0.8.1)
+    binding_of_caller (1.0.0)
       debug_inspector (>= 0.0.1)
-    builder (3.2.2)
-    coderay (1.1.0)
-    coffee-rails (4.0.1)
+    builder (3.2.4)
+    coderay (1.1.3)
+    coffee-rails (4.2.2)
       coffee-script (>= 2.2.0)
-      railties (>= 4.0.0, < 5.0)
+      railties (>= 4.0.0)
     coffee-script (2.4.1)
       coffee-script-source
       execjs
-    coffee-script-source (1.9.1.1)
+    coffee-script-source (1.12.2)
     commonjs (0.2.7)
-    daemons (1.2.3)
-    debug_inspector (0.0.2)
-    devise (3.5.1)
+    concurrent-ruby (1.2.2)
+    crass (1.0.6)
+    daemons (1.4.1)
+    date (3.3.3)
+    debug_inspector (1.1.0)
+    devise (4.9.2)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
-      railties (>= 3.2.6, < 5)
+      railties (>= 4.1.0)
       responders
-      thread_safe (~> 0.1)
       warden (~> 1.2.3)
-    erubis (2.7.0)
-    eventmachine (1.0.7)
-    execjs (2.5.2)
-    hike (1.2.3)
-    i18n (0.7.0)
+    erubi (1.12.0)
+    eventmachine (1.2.7)
+    execjs (2.8.1)
+    ffi (1.15.5)
+    globalid (1.1.0)
+      activesupport (>= 5.0)
+    i18n (1.12.0)
+      concurrent-ruby (~> 1.0)
     jbuilder (1.5.3)
       activesupport (>= 3.0.0)
       multi_json (>= 1.2.0)
-    jquery-rails (3.1.3)
-      railties (>= 3.0, < 5.0)
+    jquery-rails (4.5.1)
+      rails-dom-testing (>= 1, < 3)
+      railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
-    json (1.8.3)
     less (2.6.0)
       commonjs (~> 0.2.7)
-    less-rails (2.7.0)
-      actionpack (>= 4.0)
+    less-rails (4.0.0)
+      actionpack (>= 4)
       less (~> 2.6.0)
-      sprockets (> 2, < 4)
-      tilt
+      sprockets (>= 2)
     libv8 (3.16.14.11)
-    mail (2.6.3)
-      mime-types (>= 1.16, < 3)
-    mime-types (2.6.1)
-    minitest (5.7.0)
-    multi_json (1.11.2)
+    loofah (2.20.0)
+      crass (~> 1.0.2)
+      nokogiri (>= 1.5.9)
+    mail (2.8.1)
+      mini_mime (>= 0.1.1)
+      net-imap
+      net-pop
+      net-smtp
+    marcel (1.0.2)
+    method_source (1.0.0)
+    mini_mime (1.1.2)
+    mini_portile2 (2.8.1)
+    minitest (5.18.0)
+    multi_json (1.15.0)
+    net-imap (0.3.4)
+      date
+      net-protocol
+    net-pop (0.1.2)
+      net-protocol
+    net-protocol (0.2.1)
+      timeout
+    net-smtp (0.3.3)
+      net-protocol
+    nio4r (2.5.9)
+    nokogiri (1.14.2)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     orm_adapter (0.5.0)
-    rack (1.5.5)
-    rack-test (0.6.3)
-      rack (>= 1.0)
-    rails (4.1.8)
-      actionmailer (= 4.1.8)
-      actionpack (= 4.1.8)
-      actionview (= 4.1.8)
-      activemodel (= 4.1.8)
-      activerecord (= 4.1.8)
-      activesupport (= 4.1.8)
-      bundler (>= 1.3.0, < 2.0)
-      railties (= 4.1.8)
-      sprockets-rails (~> 2.0)
-    railties (4.1.8)
-      actionpack (= 4.1.8)
-      activesupport (= 4.1.8)
-      rake (>= 0.8.7)
-      thor (>= 0.18.1, < 2.0)
-    rake (10.4.2)
-    rdoc (4.2.0)
+    psych (5.1.0)
+      stringio
+    racc (1.6.2)
+    rack (2.2.6.4)
+    rack-test (2.1.0)
+      rack (>= 1.3)
+    rails (6.1.7.3)
+      actioncable (= 6.1.7.3)
+      actionmailbox (= 6.1.7.3)
+      actionmailer (= 6.1.7.3)
+      actionpack (= 6.1.7.3)
+      actiontext (= 6.1.7.3)
+      actionview (= 6.1.7.3)
+      activejob (= 6.1.7.3)
+      activemodel (= 6.1.7.3)
+      activerecord (= 6.1.7.3)
+      activestorage (= 6.1.7.3)
+      activesupport (= 6.1.7.3)
+      bundler (>= 1.15.0)
+      railties (= 6.1.7.3)
+      sprockets-rails (>= 2.0.0)
+    rails-dom-testing (2.0.3)
+      activesupport (>= 4.2.0)
+      nokogiri (>= 1.6)
+    rails-html-sanitizer (1.5.0)
+      loofah (~> 2.19, >= 2.19.1)
+    railties (6.1.7.3)
+      actionpack (= 6.1.7.3)
+      activesupport (= 6.1.7.3)
+      method_source
+      rake (>= 12.2)
+      thor (~> 1.0)
+    rake (13.0.6)
+    rdoc (6.5.0)
+      psych (>= 4.0.0)
     ref (2.0.0)
-    responders (1.1.2)
-      railties (>= 3.2, < 4.2)
-    sass (3.2.19)
-    sass-rails (4.0.5)
-      railties (>= 4.0.0, < 5.0)
-      sass (~> 3.2.2)
-      sprockets (~> 2.8, < 3.0)
-      sprockets-rails (~> 2.0)
-    sdoc (0.4.1)
-      json (~> 1.7, >= 1.7.7)
-      rdoc (~> 4.0)
-    sprockets (2.12.4)
-      hike (~> 1.2)
-      multi_json (~> 1.0)
-      rack (~> 1.0)
-      tilt (~> 1.1, != 1.3.0)
-    sprockets-rails (2.3.2)
-      actionpack (>= 3.0)
-      activesupport (>= 3.0)
-      sprockets (>= 2.8, < 4.0)
+    responders (3.1.0)
+      actionpack (>= 5.2)
+      railties (>= 5.2)
+    sass-rails (6.0.0)
+      sassc-rails (~> 2.1, >= 2.1.1)
+    sassc (2.4.0)
+      ffi (~> 1.9)
+    sassc-rails (2.1.2)
+      railties (>= 4.0.0)
+      sassc (>= 2.0)
+      sprockets (> 3.0)
+      sprockets-rails
+      tilt
+    sdoc (2.6.1)
+      rdoc (>= 5.0)
+    sprockets (4.2.0)
+      concurrent-ruby (~> 1.0)
+      rack (>= 2.2.4, < 4)
+    sprockets-rails (3.4.2)
+      actionpack (>= 5.2)
+      activesupport (>= 5.2)
+      sprockets (>= 3.0.0)
     sqlite3 (1.3.10)
+    stringio (3.0.5)
     therubyracer (0.12.2)
       libv8 (~> 3.16.14.0)
       ref
-    thin (1.6.3)
+    thin (1.8.2)
       daemons (~> 1.0, >= 1.0.9)
-      eventmachine (~> 1.0)
-      rack (~> 1.0)
-    thor (0.19.1)
-    thread_safe (0.3.5)
-    tilt (1.4.1)
-    turbolinks (2.5.3)
-      coffee-rails
-    twitter-bootstrap-rails (3.2.0)
-      actionpack (~> 4.1)
-      execjs (~> 2.2)
-      rails (~> 4.1)
-      railties (~> 4.1)
-    tzinfo (1.2.2)
-      thread_safe (~> 0.1)
-    uglifier (2.7.1)
-      execjs (>= 0.3.0)
-      json (>= 1.8.0)
-    warden (1.2.3)
-      rack (>= 1.0)
-    web-console (2.2.1)
-      activemodel (>= 4.0)
-      binding_of_caller (>= 0.7.2)
-      railties (>= 4.0)
-      sprockets-rails (>= 2.0, < 4.0)
+      eventmachine (~> 1.0, >= 1.0.4)
+      rack (>= 1, < 3)
+    thor (1.2.1)
+    tilt (2.1.0)
+    timeout (0.3.2)
+    turbolinks (5.2.1)
+      turbolinks-source (~> 5.2)
+    turbolinks-source (5.2.0)
+    twitter-bootstrap-rails (5.0.0)
+      actionpack (>= 5.0, < 8.0)
+      execjs (~> 2.7)
+      less-rails (>= 3.0, < 5.0)
+      railties (>= 5.0, < 8.0)
+    tzinfo (2.0.6)
+      concurrent-ruby (~> 1.0)
+    uglifier (4.2.0)
+      execjs (>= 0.3.0, < 3)
+    warden (1.2.9)
+      rack (>= 2.0.9)
+    web-console (4.2.0)
+      actionview (>= 6.0.0)
+      activemodel (>= 6.0.0)
+      bindex (>= 0.4.0)
+      railties (>= 6.0.0)
+    websocket-driver (0.7.5)
+      websocket-extensions (>= 0.1.0)
+    websocket-extensions (0.1.5)
+    zeitwerk (2.6.7)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  better_errors
+  better_errors (>= 2.8.0)
   binding_of_caller
-  coffee-rails (~> 4.0.0)
-  devise
-  jbuilder (~> 1.2)
-  jquery-rails
-  less-rails
-  rails (= 4.1.8)
-  sass-rails (~> 4.0.0)
-  sdoc
+  coffee-rails (~> 4.2.2)
+  devise (>= 4.7.1)
+  jbuilder (~> 1.5, >= 1.5.3)
+  jquery-rails (>= 4.4.0)
+  less-rails (>= 4.0.0)
+  rails (= 6.1.7.3)
+  sass-rails (~> 6.0.0)
+  sdoc (>= 1.0.0)
   sqlite3
   therubyracer
-  thin
-  turbolinks
-  twitter-bootstrap-rails
-  uglifier (>= 1.3.0)
+  thin (>= 1.7.0)
+  turbolinks (>= 5.0.0)
+  twitter-bootstrap-rails (>= 3.2.2)
+  uglifier (>= 2.7.2)
   web-console
+
+BUNDLED WITH
+   2.1.4