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/remark/index.js

@@ -0,0 +1,10 @@
+// Note: types exposed from `index.d.ts`
+import remarkParse from 'remark-parse'
+import remarkStringify from 'remark-stringify'
+import {unified} from 'unified'
+
+/**
+ * Create a new unified processor that already uses `remark-parse` and
+ * `remark-stringify`.
+ */
+export const remark = unified().use(remarkParse).use(remarkStringify).freeze()