add exports

Author: anakin_karrot

integrations/react/src/future/index.ts

@@ -22,6 +22,7 @@ export * from "./loader/useLoaderData";
 export * from "./useFlow";
 export * from "./useStepFlow";
 export * from "./useConfig";
+export * from "./useActivityPreparation";
 
 /**
  * Utils