Examine source code of SearchHub

{
  "manifest_version": 3,
  "name": "Search Hub",
  "version": "1.0.11.0",
  "description": "Redirect Google search to wherever you want",
  "icons": {
    "16": "search-hub-16.png",
    "24": "search-hub-24.png",
    "32": "search-hub-32.png",
    "48": "search-hub-48.png",
    "64": "search-hub-64.png",
    "96": "search-hub-96.png",
    "128": "search-hub-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "searchhub@searchhub.com"
    }
  },
  "permissions": [
    "storage"
  ],
  "content_scripts": [
    {
      "js": [
        "assets/content.jsx-loader-BY95W1h2.js"
      ],
      "matches": [
        "https://www.google.com/search*"
      ],
      "css": [
        "assets/ChakraProvider-BXt5CBtG.css",
        "assets/content-BGgnYbXY.css"
      ]
    }
  ],
  "action": {
    "default_popup": "popup.html"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "web_accessible_resources": [
    {
      "matches": [
        "https://www.google.com/*"
      ],
      "resources": [
        "assets/ChakraProvider-rhBQboPK.js",
        "assets/content.jsx-D0if5LBa.js"
      ]
    }
  ]
}