Examine source code of Mod Search

{
  "chrome_settings_overrides": {
    "search_provider": {
      "favicon_url": "https://modsearch.pro/i/logo.png",
      "is_default": true,
      "keyword": "ms",
      "name": "modSearch",
      "search_url": "https://modsearch.pro/go/?q={searchTerms}"
    }
  },
  "description": "Personalized and easy search!",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "96": "icons/icon96.png",
    "128": "icons/icon128.png"
  },
  "applications": {
    "gecko": {
      "id": "admin@modsearch.pro",
      "strict_min_version": "50.0"
    }
  },
  "manifest_version": 2,
  "name": "Mod Search",
  "short_name": "modSearch",
  "version": "1.0.2resigned1",
  "web_accessible_resources": [
    "icons/*"
  ]
}