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/applesauce-react/dist/hooks/use-event-store.js

@@ -0,0 +1,12 @@
+import { useContext } from "react";
+import { EventStoreContext } from "../providers/store-provider.js";
+/**
+ * Gets the EventStore from a parent {@link EventStoreProvider} component
+ * If there is none it throws an error
+ */
+export function useEventStore() {
+    const store = useContext(EventStoreContext);
+    if (!store)
+        throw new Error("Missing EventStoreProvider");
+    return store;
+}