Examine source code of Custom Shortcut Launcher

{
  "manifest_version": 2,
  "name": "Custom Shortcut Launcher",
  "version": "1.0",
  "description": "Create and manage custom keyboard shortcuts to launch web apps, run JavaScript, or open URLs. Search, export/import shortcuts, and check conflicts in a vibrant purple-silver grid interface.",
  "icons": {
    "48": "icon.png"
  },
  "permissions": [
    "activeTab",
    "storage",
    "clipboardWrite",
    "commands"
  ],
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "commands": {
    "_execute_browser_action": {}
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f1f61bbf-2633-4a49-a544-dc3744f41a54}"
    }
  }
}