Examine source code of GETCURL.APP

{
  "manifest_version": 2,
  "name": "GETCURL.APP",
  "version": "1.1",
  "description": "cURL sharing made fast, safe, easy.",
  "icons": {
    "16": "icons/favicon.png",
    "32": "icons/favicon@2x.png",
    "48": "icons/favicon@3x.png",
    "96": "icons/favicon@6x.png",
    "128": "icons/favicon@8x.png"
  },
  "permissions": [
    "clipboardRead",
    "webRequest",
    "<all_urls>",
    "activeTab"
  ],
  "browser_action": {
    "default_title": "GETCURL.APP: cURL sharing made fast, safe, easy.",
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "env.js",
      "browser-polyfill.min.js",
      "common.js",
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "env.js",
        "browser-polyfill.min.js",
        "common.js",
        "popup.js",
        "frame.js",
        "request_capturing.js"
      ]
    }
  ],
  "commands": {
    "shareByClipboard": {
      "suggested_key": {
        "default": "Ctrl+Shift+K",
        "mac": "Ctrl+Shift+K"
      },
      "description": "Share curl by clipboard"
    },
    "captureHttpRequest": {
      "suggested_key": {
        "default": "Ctrl+Shift+X",
        "mac": "Ctrl+Shift+X"
      },
      "description": "Capture HTTP requests"
    }
  },
  "web_accessible_resources": [
    "frame.html"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{d0d0e40d-ed37-4e58-8955-d65825e9a7a0}"
    }
  }
}