Exporting Coin struct, needed for wallet

clients/validator/src/index.ts

@@ -9,6 +9,8 @@ import { BroadcastTxResponse } from "@cosmjs/stargate/types"
 import { ExecuteResult, InstantiateOptions, InstantiateResult, UploadMeta, UploadResult } from "@cosmjs/cosmwasm";
 
 export { coins };
+export { Coin };
+
 export default class ValidatorClient {
     url: string;
     private netClient: INetClient;