Update notification.json

notification.json

@@ -7,6 +7,14 @@
     "link": "https://github.com/intechstudio/grid-editor/releases/tag/v1.2.39",
     "message": "Editor is now available with apple silicon builds. Auto updates may not work without downloading manually first!"
   },
+  {
+    "type": "notification",
+    "delay": 5000,
+    "class": "bg-blue-500 text-white",
+    "dismissable": true,
+    "link": "https://docs.intech.studio/guides/troubleshooting/firmware#%EF%B8%8F-updating-the-firmware-manually",
+    "message": "If you experience black LEDs on a Grid purchased before May of 2023 after a firmware update, please downgarde your firmware version to 1.2.29 manually. Apologies for the inconveniance. Guide for manual firmware updates here:"
+  },
   {
     "type": "notificationBAK",
     "delay": 5000,