Examine source code of Full Curl Pro

{
  "manifest_version": 2,
  "name": "Full Curl Pro",
  "version": "0.1",
  "description": "Copy network requests as full cURL commands with response details.",
  "icons": {
    "48": "icon-48.png",
    "96": "icon-96.png"
  },
  "permissions": [
    "devtools",
    "clipboardWrite",
    "downloads",
    "<all_urls>"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{c1869353-93d6-470d-a180-d88da6f86e06}",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "devtools_page": "devtools.html"
}