first commit

app/api/revalidate/route.ts

@@ -0,0 +1,7 @@
+import { revalidateTag } from "next/cache";
+import { NextResponse } from "next/server";
+
+export async function GET() {
+  revalidateTag("weather-data", "max");
+  return NextResponse.json({ revalidated: true, now: Date.now() });
+}