Scenic New Tab with Search

manifest.json

{
  "action": {
    "default_icon": "images/Bing_logo_48x48.png"
  },
  "background": {
    "service_worker": "rootServiceWorker.js"
  },
  "chrome_settings_overrides": {
    "search_provider": {
      "favicon_url": "https://www.bing.com/favicon.ico",
      "is_default": true,
      "prepopulated_id": 3,
      "search_url": "https://www.bing.com/search?EID=SNTP&form=U647MF&pc=U647&q={searchTerms}",
      "suggest_url": "https://www.bing.com/osjson.aspx?EID=SNTP&form=U647MF&pc=U647&query={searchTerms}"
    }
  },
  "chrome_url_overrides": {
    "newtab": "main.html"
  },
  "default_locale": "en",
  "description": "__MSG_extnDescription__",
  "externally_connectable": {
    "matches": [
      "https://www.bing.com/*",
      "https://browserdefaults.microsoft.com/*"
    ]
  },
  "host_permissions": [
    "*://*/*"
  ],
  "icons": {
    "16": "images/Bing_logo_16x16.png",
    "48": "images/Bing_logo_48x48.png",
    "128": "images/Bing_logo_128x128.png"
  },
  "manifest_version": 3,
  "name": "__MSG_extnName__",
  "permissions": [
    "storage",
    "cookies",
    "alarms",
    "scripting",
    "declarativeNetRequest",
    "tabs"
  ],
  "update_url": "https://clients2.google.com/service/update2/crx",
  "version": "1.0.0.9",
  "web_accessible_resources": [
    {
      "matches": [
        "*://*/*"
      ],
      "resources": [
        "images/bgextn.png"
      ]
    }
  ]
}