Document short command aliases

Signed-off-by: Thomas Much <[email protected]>

Author: thmuch

CONTRIBUTING.md

@@ -62,5 +62,5 @@ rm /usr/local/bin/mob
 it works like this:
 
 ```
-brew link remotemobprogramming/brew/mob
+brew unlink mob && brew link mob
 ```

README.md

@@ -176,6 +176,13 @@ Timer Commands:
   start <minutes>    start mob session in wip branch and a <minutes> timer
   break <minutes>    start a <minutes> break timer
 
+Short Commands (Options and descriptions as above):
+  s                  alias for 'start'
+  n                  alias for 'next'
+  d                  alias for 'done'
+  b                  alias for 'branch'
+  t                  alias for 'timer'
+
 Get more information:
   status             show the status of the current session
   fetch              fetch remote state

mob.go

@@ -1620,6 +1620,13 @@ Timer Commands:
   start <minutes>    start mob session in wip branch and a <minutes> timer
   break <minutes>    start a <minutes> break timer
 
+Short Commands (Options and descriptions as above):
+  s                  alias for 'start'
+  n                  alias for 'next'
+  d                  alias for 'done'
+  b                  alias for 'branch'
+  t                  alias for 'timer'
+
 Get more information:
   status             show the status of the current session
   fetch              fetch remote state