clean up exports

Author: sungoki

src/index.ts

@@ -1,4 +1,4 @@
 export * from "./constants";
 export * from "./programs";
 export * from "./sdk";
-export * from "./wrappers/smartWallet";
+export * from "./wrappers";

src/wrappers/index.ts

@@ -0,0 +1 @@
+export * from "./smartWallet";