Examine source code of Padlet Web Clipper

{
  "manifest_version": 2,
  "name": "Padlet Web Clipper",
  "version": "1.0",
  "description": "Lưu nội dung trang web vào Padlet nhanh chóng.",
  "permissions": [
    "activeTab",
    "tabs",
    "contextMenus",
    "storage"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "Clip to Padlet",
    "default_icon": {
      "48": "icons/icon-48.png"
    },
    "default_popup": "popup.html"
  },
  "icons": {
    "48": "icons/icon-48.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d0ef4f85-6adc-4b27-93da-fc546b0e65e6}"
    }
  }
}