Add icons and background

modules/hawkmoon-actor-sheet.js

@@ -154,6 +154,8 @@ export class HawkmoonActorSheet extends ActorSheet {
     let autoresult = HawkmoonAutomation.processAutomations("on-drop", item, this.actor)
     if (  autoresult.isValid ) {
       super._onDropItem(event, dragData)
+    } else {
+      ui.notifications.warn( autoresult.warningMessage)
     }
   }