New: Added topOfContentObject aria labels (fixes #3678) (#3679)

Author: oliverfoster

src/course/en/course.json

@@ -66,7 +66,11 @@
         "locked": "Locked",
         "visited": "Visited",
         "required": "Required",
-        "optional": "Optional"
+        "optional": "Optional",
+        "topOfContentObject": "{{type}} {{displayTitle}}",
+        "course": "Main menu",
+        "menu": "Sub menu",
+        "page": "Page"
       }
     },
     "_extensions": {