Examine source code of Quick Share

{
  "manifest_version": 3,
  "name": "Quick Share",
  "version": "0.1.0",
  "description": "Copy the current tab's title and URL to the clipboard",
  "permissions": [
    "activeTab",
    "scripting",
    "clipboardWrite",
    "storage"
  ],
  "background": {
    "service_worker": "js/background.js",
    "scripts": [
      "js/background.js"
    ],
    "persistent": false
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "action": {
    "default_icon": {
      "16": "img/icon_16x16.png",
      "48": "img/icon_48x48.png",
      "128": "img/icon_128x128.png"
    },
    "default_title": "Quick Share"
  },
  "icons": {
    "16": "img/icon_16x16.png",
    "48": "img/icon_48x48.png",
    "128": "img/icon_128x128.png"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "css/styles.css"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "commands": {
    "general": {
      "suggested_key": {
        "default": "Ctrl+Shift+A",
        "mac": "MacCtrl+Ctrl+A"
      },
      "description": "Copy the current tab's title and URL to the clipboard"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2f1a9c0b-8d3e-4e1f-a2b3-0c9d8e7f6a5b}",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}