added firebase and trying ot fix thebackedn

Author: shadil-rayyan

middleware.ts

@@ -0,0 +1,20 @@
+// middleware.ts
+import { NextResponse } from "next/server";
+import type { NextRequest } from "next/server";
+
+export function middleware(request: NextRequest) {
+  const token = request.cookies.get("__session")?.value;
+
+  // If no token and not already on /auth, redirect to login
+  if (!token && !request.nextUrl.pathname.startsWith("/auth")) {
+    const loginUrl = new URL("/auth", request.url);
+    return NextResponse.redirect(loginUrl);
+  }
+
+  return NextResponse.next();
+}
+
+// Protect all routes except /auth and /_next
+export const config = {
+  matcher: ["/((?!auth|_next|api|favicon.ico).*)"],
+};