Examine source code of Excel Clip

{
  "manifest_version": 2,
  "name": "Excel Clip",
  "description": "复制 Excel 内容粘贴到侧边栏，生成可点击的单元格，通过点击单元格&输入框自动粘贴",
  "version": "1.0.10",
  "icons": {
    "48": "icons/logo.svg"
  },
  "sidebar_action": {
    "default_icon": "icons/logo.svg",
    "default_title": "Excel 剪贴板",
    "default_panel": "sidebar/panel.html"
  },
  "background": {
    "scripts": [
      "sidebar/panel.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content_scripts/injection.js"
      ]
    }
  ],
  "permissions": [
    "<all_urls>",
    "notifications",
    "tabs",
    "activeTab"
  ],
  "commands": {
    "_execute_sidebar_action": {
      "suggested_key": {
        "default": "Ctrl+Shift+E"
      }
    }
  },
  "applications": {
    "gecko": {
      "id": "{891bbead-972e-4848-b5b1-96742d5c3537}"
    }
  }
}