Examine source code of Spotify Ads Blocker

{
  "manifest_version": 2,
  "name": "Spotify Ads Blocker",
  "version": "1.0",
  "description": "Mute spotify ads",
  "homepage_url": "https://github.com/isubham/spotify-mute-ads",
  "icons": {
    "48": "icons/logo-48.jpg",
    "96": "icons/logo-96.jpg"
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.spotify.com/*"
      ],
      "js": [
        "spotify-adblocker-script.js"
      ],
      "run_at": "document_end"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{3d04daa1-1d6a-41da-8190-212df0726930}"
    }
  }
}