Examine source code of Tundra Search

{
  "name": "Tundra Search",
  "version": "1.0.0",
  "description": "Use Tundra for everyday searches like “what’s the weather today?",
  "manifest_version": 2,
  "author": "Enviro AI",
  "icons": {
    "16": "icon16.png",
    "32": "icon32.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "chrome_settings_overrides": {
    "search_provider": {
      "name": "Tundra",
      "search_url": "https://www.searchtundra.com/search/{searchTerms}",
      "keyword": "disc",
      "favicon_url": "https://www.searchtundra.com/favicon.ico",
      "is_default": true,
      "encoding": "UTF-8"
    }
  },
  "applications": {
    "gecko": {
      "strict_min_version": "57.0",
      "id": "{8667a733-54b3-48a3-a98b-8572f4dc73b6}"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  }
}