Updated Enabling the widget (markdown)

Enabling-the-widget.md

@@ -6,10 +6,12 @@
 
    ```json
    {
+  "type": "m.widgets",
+  "content": {
     "stickerpicker": {
       "content": {
         "type": "m.stickerpicker",
-               "url": "https://your.sticker.picker.url/?theme=$theme",
+        "url": "https://demonwarext.github.io/stickerpicker/web/?theme=$theme",
         "name": "Stickerpicker",
         "data": {}
       },
@@ -19,6 +21,7 @@
       "id": "stickerpicker"
     }
   }
+}
    ```
 
     If you do not yet have a `m.widgets` event, simply create it with that content.