Examine source code of Konode | Private Bookmark & Tab Sync

{
  "manifest_version": 3,
  "name": "__MSG_extension_name__",
  "short_name": "Konode",
  "version": "1.3.0",
  "description": "__MSG_extension_description__",
  "default_locale": "en",
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png"
    }
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "permissions": [
    "bookmarks",
    "storage",
    "identity",
    "alarms",
    "notifications",
    "unlimitedStorage"
  ],
  "optional_permissions": [
    "history",
    "tabs",
    "management"
  ],
  "host_permissions": [
    "https://www.googleapis.com/*",
    "https://oauth2.googleapis.com/*",
    "https://accounts.google.com/*",
    "https://api.github.com/*"
  ],
  "optional_host_permissions": [
    "https://*/*",
    "http://localhost/*",
    "http://127.0.0.1/*"
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'none';"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "konabe@proton.me",
      "strict_min_version": "128.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}