manifest.json

{
  "manifest_version": 3,
  "name": "New Tab with Blocklist",
  "version": "1.0",
  "description": "A new tab page with todo list, bookmark manager, and website blocker",
  "permissions": [
    "storage",
    "bookmarks",
    "contextMenus",
    "activeTab",
    "tabs",
    "idle",
    "notifications",
    "webNavigation",
    "alarms",
    "scripting",
    "tts"
  ],
  "host_permissions": ["<all_urls>"],
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "background": {
    "service_worker": "background.js"
  },
  "action": {
    "default_popup": "index.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://www.google.com/search*",
        "*://www.bing.com/search*",
        "*://search.yahoo.com/search*",
        "*://duckduckgo.com/*",
        "*://www.baidu.com/s*"
      ],
      "js": ["content.js"],
      "run_at": "document_end"
    }
  ],
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "web_accessible_resources": [
    {
      "resources": ["blocked.html", "audio/notification.wav"],
      "matches": ["<all_urls>"]
    }
  ]
}