Upgrade jekyll and it's dependency

Gemfile

@@ -1,6 +1,10 @@
 source "https://rubygems.org"
+gem 'jekyll', '~> 3.7'
+
+gem 'webrick'
 gem 'jekyll-archives'
 gem 'jekyll-toc'
 gem 'jemoji'
-gem "jekyll-last-modified-at"
-gemspec
+gem 'jekyll-last-modified-at'
+gem 'minimal-mistakes-jekyll'
+gem 'kramdown-parser-gfm'

Makefile

@@ -5,7 +5,8 @@ serve:
  --volume="$(shell pwd):/srv/jekyll" \
  -p 4000:4000 -p 35729:35729 jekyll/jekyll \
  sh -c "git config --system --add safe.directory '*' && \
- jekyll serve --watch \
+ jekyll serve --trace \
+ --watch \
  --incremental \
  --livereload \
  --force_polling true"

_config.yml

@@ -205,6 +205,7 @@ kramdown:
  toc_levels: 1..6
  smart_quotes: lsquo,rsquo,ldquo,rdquo
  enable_coderay: false
+ syntax_highlighter: rouge
 
 
 # Sass/SCSS

_plugins/rouge-extend.rb

@@ -1,6 +1,6 @@
 # This "hook" is executed right before the site's pages are rendered
 Jekyll::Hooks.register :site, :pre_render do |site|
- puts "Adding more JavaScript Markdown aliases..."
+ puts "Adding more rouge aliases..."
  require "rouge"
 
  # https://github.com/rouge-ruby/rouge/pull/760/files

assets/css/main.scss

@@ -6,4 +6,5 @@ search: false
 @charset "utf-8";
 
 @import "minimal-mistakes/skins/{{ site.minimal_mistakes_skin | default: 'default' }}"; // skin
-@import "minimal-mistakes"; // main partials
+@import "minimal-mistakes"; // main partials
+@import "minimal-mistakes/_syntax";