Examine source code of SuperDrag

{
  "name": "__MSG_name__",
  "version": "3.8.2",
  "manifest_version": 3,
  "description": "__MSG_desc__",
  "icons": {
    "16": "img/icon16.png",
    "48": "img/icon48.png",
    "128": "img/icon128.png"
  },
  "default_locale": "zh_CN",
  "background": {
    "scripts": [
      "background-script.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "all_frames": true,
      "js": [
        "common.js",
        "qrcode.min.js",
        "superdrag.js"
      ],
      "run_at": "document_start"
    }
  ],
  "permissions": [
    "storage",
    "tabs",
    "downloads",
    "clipboardWrite"
  ],
  "options_page": "options.html",
  "browser_specific_settings": {
    "gecko": {
      "id": "zzm.note@foxmail.com",
      "strict_min_version": "58.0"
    },
    "safari": {
      "strict_min_version": "14"
    }
  }
}