Examine source code of QuoteTab

{
  "manifest_version": 2,
  "name": "QuoteTab",
  "version": "1.0",
  "description": "A simple extension to load random quotes as new tab page.",
  "homepage_url": "https://gitlab.com/ashraful/firefox-extension-quote-tab",
  "icons": {
    "48": "logo/logo48.png",
    "64": "logo/logo64.png",
    "128": "logo/logo128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "quotetab@a6l.org",
      "strict_min_version": "85.0"
    }
  },
  "chrome_url_overrides": {
    "newtab": "popup/index.html"
  }
}