message: launchpad-ledger: Fix README
diff: [![npm version](https://img.shields.io/npm/v/@cosmjs/launchpad-ledger.svg)](https://www.npmjs.com/package/@cosmjs/launchpad-ledger)
  -```
  -
  ## License
  This package is part of the cosmjs repository, licensed under the Apache License
  2.0 (see [NOTICE](https://github.com/CosmWasm/cosmjs/blob/master/NOTICE) and
  [LICENSE](https://github.com/CosmWasm/cosmjs/blob/master/LICENSE)).
  -```
  