feat: initialize markr nostr bookmark client

- Add project structure with TypeScript, React, and Vite
- Implement nostr authentication using browser extension (NIP-07)
- Add NIP-51 compliant bookmark fetching and display
- Create minimal UI with login and bookmark components
- Integrate applesauce-core and applesauce-react libraries
- Add responsive styling with dark/light mode support
- Include comprehensive README with setup instructions

This is a minimal MVP for a nostr bookmark client that allows users to
view their bookmarks according to NIP-51 specification.

node_modules/path-key/index.js

@@ -0,0 +1,16 @@
+'use strict';
+
+const pathKey = (options = {}) => {
+	const environment = options.env || process.env;
+	const platform = options.platform || process.platform;
+
+	if (platform !== 'win32') {
+		return 'PATH';
+	}
+
+	return Object.keys(environment).reverse().find(key => key.toUpperCase() === 'PATH') || 'Path';
+};
+
+module.exports = pathKey;
+// TODO: Remove this for the next major release
+module.exports.default = pathKey;