Examine source code of Vakti App

{
  "name": "Vakti App",
  "description": "Free, ad-free, open-source, and sleek Muslim Praying Times app. Available on https://vaktiapp.com",
  "icons": {
    "48": "icons/logo-48.png",
    "96": "icons/logo-96.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{56726da0-1e25-4c63-a4b2-6e08ef30717a}"
    }
  },
  "version": "2.0.3",
  "manifest_version": 3,
  "action": {
    "default_popup": "page.html",
    "default_icon": "logo.png"
  }
}