Examine source code of Gemini Markdown Viewer

{
  "manifest_version": 3,
  "name": "Gemini Markdown Viewer",
  "version": "0.1.0",
  "description": "Gemini のコードブロック内の Markdown をワンクリックでレンダリング表示するビュワー",
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png"
  },
  "permissions": [
    "clipboardWrite"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://gemini.google.com/*"
      ],
      "js": [
        "vendor/purify.min.js",
        "vendor/marked.min.js",
        "vendor/highlight.min.js",
        "content/content.js"
      ],
      "css": [
        "content/content.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "homepage_url": "https://github.com/kakuraccho/gemini-md-viewer",
  "browser_specific_settings": {
    "gecko": {
      "id": "gemini-md-viewer@kakur",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  }
}