feat: initial test static site with Deno backend

pages/api/time.ts

@@ -0,0 +1,10 @@
+// GET /api/time — returns the current server time.
+export async function API_get(req: Request): Promise<Response> {
+  const now = new Date();
+
+  return Response.json({
+    time: now.toISOString(),
+    unix: Math.floor(now.getTime() / 1000),
+    timezone: Intl.DateTimeFormat().resolvedOptions().timeZone,
+  });
+}