Examine source code of Auto Text Highlighter

{
  "manifest_version": 3,
  "name": "Auto Text Highlighter",
  "version": "1.1",
  "description": "Automatically highlights all similar words when you select text.",
  "permissions": [
    "scripting",
    "activeTab"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content_script.js"
      ],
      "css": [
        "style.css"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "Aditya.developer.acc@gmail.com",
      "strict_min_version": "109.0"
    }
  }
}