Examine source code of SDx — Speed Dial

{
  "manifest_version": 2,
  "name": "__MSG_appName__",
  "short_name": "SDx",
  "version": "10.7.2",
  "description": "__MSG_appDescription__",
  "author": "Paul",
  "default_locale": "en",
  "chrome_url_overrides": {
    "newtab": "newtab.html"
  },
  "permissions": [
    "geolocation",
    "https://geocoding-api.open-meteo.com/*",
    "https://nominatim.openstreetmap.org/*",
    "https://ipapi.co/*",
    "https://api.open-meteo.com/*",
    "https://icons.duckduckgo.com/*",
    "https://api.bigdatacloud.net/*"
  ],
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "browser_specific_settings": {
    "gecko": {
      "id": "sdx-speeddial@paulchirila",
      "strict_min_version": "113.0"
    }
  }
}