add changelog

Author: lorenzoh

CHANGELOG.md

@@ -0,0 +1,19 @@
+
+
+# Changelog
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]
+
+## [0.1.5] - 2021-04-17
+
+### Added
+- [Color augmentation transforms](https://lorenzoh.github.io/DataAugmentation.jl/dev/docs/literate/colortransforms.md.html)
+- [Stochastic transformation wrappers](https://lorenzoh.github.io/DataAugmentation.jl/dev/docs/literate/stochastic.md.html)
+- `WarpAffine` projective transformation
+
+### Changed
+- Moved documentation generation to [Pollen.jl](https://github.com/lorenzoh/Pollen.jl)