Examine source code of Spotica Menu Music Bridge

{
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png"
    }
  },
  "background": {
    "scripts": [
      "core/browser-polyfill.js",
      "core/background-core.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "ytm-bridge@spoticamenu.app",
      "strict_min_version": "128.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "content_scripts": [
    {
      "js": [
        "core/browser-polyfill.js",
        "core/log.js",
        "adapters/registry.js",
        "adapters/ytmusic.js",
        "core/content-core.js"
      ],
      "matches": [
        "https://music.youtube.com/*"
      ],
      "run_at": "document_idle"
    }
  ],
  "description": "Bridges web music players to Spotica Menu.",
  "host_permissions": [
    "https://music.youtube.com/*"
  ],
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "manifest_version": 3,
  "name": "Spotica Menu Music Bridge",
  "permissions": [
    "nativeMessaging",
    "tabs",
    "storage"
  ],
  "version": "0.2.6"
}