Add image_path to studio response

catroweb.yaml

@@ -2,7 +2,7 @@ openapi: 3.0.3
 info:
   title: "Catroweb API"
   description: "API for the Catrobat Share Platform"
-  version: "v1.5.2"
+  version: "v1.5.5"
   termsOfService: "https://share.catrob.at/pocketcode/termsOfUse"
   contact:
     name: "Catrobat"
@@ -2468,6 +2468,10 @@ components:
           example:  true
           default: true
           description: This flag enables or disabled the possibility to add comments to the studio
+        image_path:
+          type: string
+          example: https://share.catrob.at/resources/studio/panda.png
+          description: Cover image
 
     ######################################################
     # Utility Schemas