add Trigger and Action headers in Rule Details

client/components/rules/ruleDetails.jade

@@ -6,10 +6,14 @@ template(name="ruleDetails")
     .triggers-content
         .triggers-body
             .triggers-main-body
+                h4
+                  | {{_ 'r-trigger'}}
                 div.trigger-item
                     div.trigger-content
                         div.trigger-text 
-                        = trigger 
+                        = trigger
+                h4 
+                  | {{_ 'r-action'}}
                 div.trigger-item
                     div.trigger-content
                         div.trigger-text 

i18n/en.i18n.json

@@ -638,6 +638,8 @@
   "r-delete-rule": "Delete rule",
   "r-new-rule-name": "New rule title",
   "r-no-rules": "No rules",
+  "r-trigger": "Trigger",
+  "r-action": "Action",
   "r-when-a-card": "When a card",
   "r-is": "is",
   "r-is-moved": "is moved",