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.

app/api/ollama/health/route.ts

@@ -0,0 +1,18 @@
+import { NextResponse } from "next/server";
+import { listModelsViaSdk, listModelsViaHttp } from "@/lib/ollama";
+
+export const dynamic = "force-dynamic";
+
+export async function GET() {
+  try {
+    try {
+      await listModelsViaSdk();
+      return NextResponse.json({ ok: true });
+    } catch {
+      await listModelsViaHttp();
+      return NextResponse.json({ ok: true });
+    }
+  } catch {
+    return NextResponse.json({ ok: false });
+  }
+}