Add gather icon testnet (#2708)

* added icon

* changed the image id

* Changed icon size

* modify json

* added new image

* added new image cid

* remove extra slash from image url

* formatted the json

* formatted gather.json

* added icon file

* added jpg icon

* changed icon size to 325

* remove png icon file

* Revert "remove png icon file"

This reverts commit c7ea157afa41e952c88576fbf1a05d90464762c6.

* Revert "changed icon size to 325"

This reverts commit 01b675f00b4a4c8096dae4f6d2f9c79c0bcb0dc2.

* Revert "added jpg icon"

This reverts commit 31ae71293cad19b0595bbad42e088b057192c737.

* added jpg icon

* add svg icon

* change url

---------

Co-authored-by: Vinod Kumar Sharma <vinod@sourcebase.in>
Co-authored-by: ligi <ligi@ligi.de>

_data/icons/gather.json

@@ -1,8 +1,8 @@
 [
   {
-    "url": "ipfs://QmeoEHUVYKSJFkM9o5j62rhQqCDN5iQxPC7PtzmH77rSWR",
-    "width": 512,
-    "height": 512,
-    "format": "png"
+    "url": "ipfs://QmTYR8CeFiNbJ1zJHnE3DK2wEN18r2y2vqSKUcLweUT2Gz",
+    "width": 1080,
+    "height": 1080,
+    "format": "svg"
   }
 ]