Examine source code of YouTube Audio Restore

{
  "manifest_version": 3,
  "name": "YouTube Original Audio",
  "version": "1.0.0",
  "description": "Automatically switches YouTube videos and Shorts to original audio track.",
  "author": "Your Name",
  "homepage_url": "https://github.com/",
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "*://*.youtube.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.youtube.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "assets/icon_16x16.png",
      "24": "assets/icon_24x24.png",
      "48": "assets/icon_48x48.png",
      "128": "assets/icon_128x128.png"
    }
  },
  "icons": {
    "16": "assets/icon_16x16.png",
    "24": "assets/icon_24x24.png",
    "48": "assets/icon_48x48.png",
    "128": "assets/icon_128x128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "youtube-original-audio@example.com",
      "strict_min_version": "112.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    },
    "gecko_android": {
      "strict_min_version": "112.0"
    }
  }
}