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/array-union/readme.md

@@ -0,0 +1,34 @@
+# array-union [![Build Status](https://travis-ci.org/sindresorhus/array-union.svg?branch=master)](https://travis-ci.org/sindresorhus/array-union)
+
+> Create an array of unique values, in order, from the input arrays
+
+
+## Install
+
+```
+$ npm install array-union
+```
+
+
+## Usage
+
+```js
+const arrayUnion = require('array-union');
+
+arrayUnion([1, 1, 2, 3], [2, 3]);
+//=> [1, 2, 3]
+
+arrayUnion(['foo', 'foo', 'bar']);
+//=> ['foo', 'bar']
+
+arrayUnion(['🐱', '🦄', '🐻'], ['🦄', '🌈']);
+//=> ['🐱', '🦄', '🐻', '🌈']
+
+arrayUnion(['🐱', '🦄'], ['🐻', '🦄'], ['🐶', '🌈', '🌈']);
+//=> ['🐱', '🦄', '🐻', '🐶', '🌈']
+```
+
+
+## License
+
+MIT © [Sindre Sorhus](https://sindresorhus.com)