Examine source code of YouTube Tags

{
  "manifest_version": 3,
  "name": "__MSG_appName__",
  "version": "8.0.2",
  "default_locale": "en",
  "description": "__MSG_appDesc__",
  "icons": {
    "16": "images/icon-16.png",
    "48": "images/icon-48.png",
    "96": "images/icon-96.png",
    "128": "images/icon-128.png",
    "256": "images/icon-256.png",
    "512": "images/icon-512.png"
  },
  "author": "alik0211",
  "content_scripts": [
    {
      "matches": [
        "https://www.youtube.com/*"
      ],
      "js": [
        "js/content.js"
      ],
      "css": [
        "css/content.css"
      ]
    }
  ],
  "permissions": [
    "alarms",
    "storage"
  ],
  "host_permissions": [
    "https://www.youtube.com/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{9d063afe-a167-4cf3-ad71-ed1204a2339f}"
    }
  },
  "background": {
    "scripts": [
      "js/background.js"
    ]
  }
}