manifest.json

{
     "manifest_version": 3,
     "name": "Break Timer",
     "description": "Break Timer for working hours | Set your time and just chill for the next break time, It's my responsibility to let you know about your break time's end\nThank You for purchasing our extension, I hope it helps you. ",
     "author": "Atanu Karmakar",
     "version": "1.0.0",
     "icons": {
          "16": "logo.png",
          "32": "logo.png",
          "48": "logo.png",
          "128": "logo.png"
     },
     "permissions": [
          "activeTab",
          "scripting"
     ],
     "action": {
          "default_title": "Break Timer by Atanu",
          "default_popup": "index.html"   
     },
     "web_accessible_resources": [
          {
               "resources": [
                    "*/*"
               ],
               "matches": [
                    "*://*/*"
               ]
          }
     ]
}