export sep-43 types (#186)

Author: piyalbasu

Diff for: @stellar/typescript-wallet-sdk/src/walletSdk/Types/index.ts

@@ -50,5 +50,6 @@ export * from "./sep7";
 export * from "./sep12";
 export * from "./sep24";
 export * from "./sep38";
+export * from "./sep43";
 export * from "./utils";
 export * from "./watcher";