Examine source code of DuckDuckGo to Google Maps

{
  "manifest_version": 3,
  "name": "DuckDuckGo to Google Maps",
  "version": "1.0",
  "description": "Redirects DuckDuckGo map searches to Google Maps using the !m bang.",
  "permissions": [
    "webNavigation",
    "tabs"
  ],
  "host_permissions": [
    "*://*.duckduckgo.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "duckduckgo-to-googlemaps-redirect@gwyd.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}