Examine source code of Control Panel for YouTube

{
  "manifest_version": 2,
  "default_locale": "en",
  "name": "__MSG_extensionName__",
  "description": "__MSG_extensionDescription__",
  "homepage_url": "https://soitis.dev/control-panel-for-youtube",
  "version": "1.34.0",
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "64": "icons/icon64.png",
    "96": "icons/icon96.png",
    "128": "icons/icon128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false,
    "type": "module"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.youtube.com/*",
        "https://m.youtube.com/*"
      ],
      "exclude_matches": [
        "https://www.youtube.com/embed/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_start"
    },
    {
      "world": "MAIN",
      "matches": [
        "https://www.youtube.com/*",
        "https://m.youtube.com/*"
      ],
      "exclude_matches": [
        "https://www.youtube.com/embed/*"
      ],
      "js": [
        "page.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "https://www.youtube.com/embed/*",
        "https://www.youtube-nocookie.com/embed/*"
      ],
      "js": [
        "embed.js"
      ],
      "all_frames": true
    }
  ],
  "options_ui": {
    "browser_style": true,
    "page": "options.html"
  },
  "browser_action": {
    "browser_style": true,
    "default_title": "__MSG_extensionName__",
    "default_popup": "browser_action.html"
  },
  "permissions": [
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "control-panel-for-youtube@jbscript.dev",
      "strict_min_version": "121.0"
    },
    "gecko_android": {
      "strict_min_version": "121.0"
    }
  }
}