[JSDoc] Add annotations

Bulk-add JSDoc annotations, WTD-1482.

platform/representation/src/actions/ContextMenuAction.js

@@ -39,6 +39,7 @@ define(
         /**
          * Launches a custom context menu for the domain object it contains.
          *
+         * @memberof platform/representation
          * @constructor
          * @param $compile Angular's $compile service
          * @param $document the current document
@@ -113,4 +114,4 @@ define(
 
         return ContextMenuAction;
     }
-);
+);