Adds changelog

CHANGELOG.md

@@ -0,0 +1,14 @@
+# 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).
+
+## [1.0.0] - 2019-02-01
+### Added
+- Changelog file 🎉
+- More logs during the process informing the user what is going on 💬
+
+### Removed
+- `brew prune` command. Deprecated in [Homebrew 1.9](https://brew.sh/2019/01/09/homebrew-1.9.0/). Now it is included in `brew cleanup`
+  [(https://github.com/Homebrew/brew/pull/5467)](https://github.com/Homebrew/brew/pull/5467).