ech-config-0.0.2: ChangeLog.md

# ChangeLog for ech-config

## 0.0.2

* Refuse trailing data and ignore ECHConfigs of unknown versions.
  [#621](https://github.com/haskell-tls/hs-tls/pull/621)

## 0.0.1

* Making Show more friendly to dnsext-*

## 0.0.0

* Initial release.