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/mdast-util-to-markdown/lib/index.d.ts

@@ -0,0 +1,14 @@
+/**
+ * Turn an mdast syntax tree into markdown.
+ *
+ * @param {Nodes} tree
+ *   Tree to serialize.
+ * @param {Options | null | undefined} [options]
+ *   Configuration (optional).
+ * @returns {string}
+ *   Serialized markdown representing `tree`.
+ */
+export function toMarkdown(tree: Nodes, options?: Options | null | undefined): string;
+import type { Nodes } from 'mdast';
+import type { Options } from 'mdast-util-to-markdown';
+//# sourceMappingURL=index.d.ts.map