first commit

lib/hooks/useRegions.ts

@@ -0,0 +1,14 @@
+import { useQuery } from "@tanstack/react-query"
+import { apiClient } from "@/lib/api"
+import type { Region } from "@/lib/types/api"
+
+export function useRegions() {
+  return useQuery({
+    queryKey: ["regions"],
+    queryFn: async () => {
+      const response = await apiClient.get<Region[]>("/api/v1/regions")
+      return response.data
+    },
+    staleTime: 1000 * 60 * 60, // 1 hour
+  })
+}