Examine source code of Export to Figma

{
  "manifest_version": 3,
  "name": "__MSG_extName__",
  "version": "1.3.1",
  "default_locale": "en",
  "description": "__MSG_extDescription__",
  "permissions": [
    "activeTab",
    "scripting",
    "clipboardWrite",
    "storage",
    "downloads",
    "contextMenus"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "action": {
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    },
    "default_title": "__MSG_actionTitle__"
  },
  "commands": {
    "_execute_action": {
      "suggested_key": {
        "default": "Alt+Shift+E"
      }
    },
    "e2f-select-element": {
      "description": "__MSG_cmdSelectElement__"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "capture.js",
        "inspect.js",
        "inspect-scan.js",
        "designmd.js",
        "eyedropper.js",
        "icons/icon48.png",
        "icons/e2f.svg",
        "unsupported.html",
        "unsupported.css"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "content_scripts": [
    {
      "matches": [
        "https://www.exporttofigma.com/*"
      ],
      "js": [
        "transmitter.js"
      ],
      "run_at": "document_start"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "export-to-figma@exporttofigma.com",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "authenticationInfo"
        ]
      }
    }
  }
}