Add icon

manifest.json

   "name": "Wordle Extended Share",
   "version": "1.0",
 
-  "description": "Includes the guesses as well as the colors",
+  "description": "Includes the guesses in spoiler tags",
+
+  "icons": {
+    "48": "icon48.png"
+  },
 
   "content_scripts": [
     {