feat: build production-ready wtr weather PWA

hooks/use-warnings.ts

@@ -0,0 +1,15 @@
+"use client";
+
+import { useQuery } from "@tanstack/react-query";
+import { fetchWarnings } from "@/lib/imgw-api";
+import { QUERY_GC_TIME, QUERY_STALE_TIME } from "@/lib/constants";
+
+export function useWarnings() {
+  return useQuery({
+    queryKey: ["warnings"],
+    queryFn: ({ signal }) => fetchWarnings(signal),
+    staleTime: QUERY_STALE_TIME,
+    gcTime: QUERY_GC_TIME,
+    retry: 2,
+  });
+}