Tasks page implementation (#120)

skyvern-frontend/src/api/QueryClient.ts

@@ -0,0 +1,11 @@
+import { QueryClient } from "@tanstack/react-query";
+
+const queryClient = new QueryClient({
+  defaultOptions: {
+    queries: {
+      staleTime: 1000 * 60 * 5, // 5 minutes
+    },
+  },
+});
+
+export { queryClient };