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/slash/index.js

@@ -0,0 +1,11 @@
+'use strict';
+module.exports = path => {
+	const isExtendedLengthPath = /^\\\\\?\\/.test(path);
+	const hasNonAscii = /[^\u0000-\u0080]+/.test(path); // eslint-disable-line no-control-regex
+
+	if (isExtendedLengthPath || hasNonAscii) {
+		return path;
+	}
+
+	return path.replace(/\\/g, '/');
+};