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-rendered-content.d.ts

@@ -0,0 +1,19 @@
+import { getParsedContent } from "applesauce-content/text";
+import { EventTemplate, NostrEvent } from "nostr-tools";
+import { ComponentMap } from "../helpers/nast.js";
+import { LinkRenderer } from "../helpers/build-link-renderer.js";
+export { ComponentMap };
+type Options = {
+    /** The key to cache the results under, passing null will disable */
+    cacheKey: symbol | null;
+    /** Override transformers */
+    transformers?: Parameters<typeof getParsedContent>[2];
+    /** If set will use {@link buildLinkRenderer} to render links */
+    linkRenderers?: LinkRenderer[];
+    /** Override event content */
+    content?: string;
+    /** Maximum length */
+    maxLength?: number;
+};
+/** Returns the parsed and render text content for an event */
+export declare function useRenderedContent(event: NostrEvent | EventTemplate | string | undefined, components: ComponentMap, opts?: Options): JSX.Element | null;