docs: replace README with Next.js boilerplate template

Updated README.md from a detailed OllaHub project description to the standard Next.js getting started template, likely to initialize or reset the project as a Next.js application.

components/message/MarkdownRenderer.tsx

@@ -0,0 +1,22 @@
+"use client";
+
+import React from "react";
+import ReactMarkdown from "react-markdown";
+import remarkGfm from "remark-gfm";
+import rehypeRaw from "rehype-raw";
+import rehypeHighlight from "rehype-highlight";
+
+type MarkdownRendererProps = {
+  content: string;
+};
+
+export function MarkdownRenderer({ content }: MarkdownRendererProps) {
+  return (
+    <ReactMarkdown
+      remarkPlugins={[remarkGfm]}
+      rehypePlugins={[rehypeRaw, rehypeHighlight]}
+    >
+      {content}
+    </ReactMarkdown>
+  );
+}