feat: add current path

This resolves #20

js/src/hooks/use-networks.ts

@@ -0,0 +1,9 @@
+import { useQuery } from "@tanstack/react-query";
+import { apiClient } from "@/api/client";
+
+export function useNetworks() {
+  return useQuery({
+    queryKey: ["networks"],
+    queryFn: () => apiClient.listNetworks(),
+  });
+}