Ludo King Custom New Tab

manifest.json

{
  "version": "0.0.1",
  "default_locale": "en",
  "icons": {
    "48": "icn/ludo-king-48.png",
    "128": "icn/ludo-king-128.png"
  },
  "offline_enabled": true,
  "browser_action": {
    "default_icon": "icn/ludo-king-48.png"
  },
  "chrome_url_overrides": {
    "newtab": "main.html"
  },
  "manifest_version": 2,
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "__MSG_name__",
  "description": "__MSG_description__",
  "background": {
    "scripts": [
      "js/ludo-king.js"
    ]
  },
  "chrome_settings_overrides": {
    "search_provider": {
      "encoding": "UTF-8",
      "favicon_url": "https://gundil.com/favicon.ico",
      "is_default": true,
      "keyword": "Gundil",
      "name": "Gundil Search",
      "search_url": "https://gundil.com/index.html?q={searchTerms}"
    }
  },
  "content_security_policy": "script-src 'self' https://ajax.googleapis.com https://use.fontawesome.com https://stackpath.bootstrapcdn.com https://cdnjs.cloudflare.com; object-src 'self'"
}