added comment functionality

added commenting functionality by appending 'm' after the issue key (regular JIRA shortcut)

plugins/jira/jira.plugin.zsh

@@ -49,6 +49,20 @@ open_jira_issue () {
     else
       $open_cmd  "$jira_url/browse/$jira_prefix$1"
     fi
+  else 
+    local addcomment=''
+    if [[ "$2" == "m" ]]; then
+      addcomment="#add-comment"
+      echo "Add comment to issue #$1"
+    else
+      echo "Opening issue #$1"
+    fi
+    
+    if [[ "x$JIRA_RAPID_BOARD" = "xtrue" ]]; then
+      $open_cmd  "$jira_url/issues/$1$addcomment"
+    else
+      $open_cmd  "$jira_url/browse/$1$addcomment"
+    fi
   fi
 }