Examine source code of IdentiSwap

{
  "manifest_version": 3,
  "name": "IdentiSwap",
  "version": "1.1.0",
  "default_locale": "en",
  "description": "__MSG_extensionDescription__",
  "icons": {
    "48": "icons/swap-48.png",
    "96": "icons/swap-96.png",
    "128": "icons/swap-128.png"
  },
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "*://*.youtube.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*.youtube.com/*"
      ],
      "js": [
        "loader.js"
      ],
      "run_at": "document_start"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "main.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{1ab60165-205f-440d-bccc-4082aa49a0fc}",
      "strict_min_version": "58.0"
    }
  }
}