Default output as ESM modules (#911)

* Default output as ESM modules

* 6.0

* packageInfo

* Bump dev & wasm

* empty ignore patterns

* Don't exclude @polkadot

* Bump dev

packages/x-textdecoder/src/packageInfo.ts

@@ -1,6 +1,6 @@
-// Copyright 2017-2021 @polkadot/dev authors & contributors
+// Copyright 2017-2021 @polkadot/x-textdecoder authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 // Auto-generated by @polkadot/dev, do not edit
 
-export const packageInfo = { name: '@polkadot/x-textdecoder', version: '5.9.3-1' };
+export const packageInfo = { name: '@polkadot/x-textdecoder', version: '6.0.0-1' };