Examine source code of NFL Livekick Sunday

{
  "manifest_version": 3,
  "name": "NFL Livekick Sunday",
  "description": "Stay in the game with real-time scores, match times, and team info — all in a clean, compact view. Perfect for football fans on the go.",
  "version": "11.6",
  "action": {
    "default_popup": "index.html"
  },
  "permissions": [
    "activeTab",
    "scripting"
  ],
  "host_permissions": [
    "*://*/*"
  ],
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{7c9f2b57-91ac-4bb8-b354-efc4e6ea2b0f}"
    }
  }
}