[Rectangular Movement] Updated description with link to new game example (#908)

Updated description with link to new game example

Author: tristanbob

extensions/reviewed/RectangleMovement.json

@@ -8,18 +8,22 @@
   "name": "RectangleMovement",
   "previewIconUrl": "https://resources.gdevelop-app.com/assets/Icons/shape-rectangle-plus.svg",
   "shortDescription": "Move objects in a rectangular pattern.",
-  "version": "1.1.0",
+  "version": "1.1.1",
   "description": [
     "Move objects in a rectangular pattern with easing functions from the Tween extension.",
     "",
     "It can be used for:",
+    "",
     "- Moveable platforms",
     "- Enemy movement patterns",
     "- Moving along the border of another object",
     "",
     "The platformer example uses this extension ([open the project online](https://editor.gdevelop.io/?project=example://platformer)).",
     "",
-    "This example can be used to check some settings ([open the project online](https://editor.gdevelop.io/?project=example://rectangular-movement))."
+    "This game shows how to make objects move around the border of another object ([open the project online](https://editor.gdevelop.io/?project=example://moving-saw-platformer)).",
+    "",
+    "This example can be used to test different settings ([open the project online](https://editor.gdevelop.io/?project=example://rectangular-movement)).",
+    ""
   ],
   "origin": {
     "identifier": "RectangleMovement",