Examine source code of Focus Search

{
  "manifest_version": 3,
  "name": "Focus Search",
  "version": "2.0",
  "description": "Automatically focuses the search bar of websites and gives the user the option to manually focus on a search bar using a keybind.",
  "icons": {
    "16": "img/small.png",
    "48": "img/medium.png",
    "128": "img/large.png"
  },
  "permissions": [
    "storage"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "img/small.png",
      "48": "img/medium.png",
      "128": "img/large.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{32ab2e92-2fd6-448a-ab23-770ea4be19cf}",
      "strict_min_version": "109.0"
    }
  }
}