Update changelog

Author: epiphone

CHANGELOG.md

@@ -4,6 +4,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## [Unreleased]
+### Added
+- Upgraded dependencies, now supporting `routing-controllers@^0.8.0` ([#33](https://github.com/epiphone/routing-controllers-openapi/issues/33))
+- Moved `routing-controllers` to `peerDependencies` to get version mismatch errors while installing
+
 ## [1.7.0] - 2019-05-15
 ### Added
 - Handle explicit `type` args in parameter decorators ([#22](https://github.com/epiphone/routing-controllers-openapi/pull/22)), thanks [gstamac](https://github.com/gstamac)!