Update CHANGELOG.md [skip ci]

Author: pvinis

CHANGELOG.md

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+# (Fri Feb 21 2020)
+
+:tada: This release contains work from new contributors! :tada:
+
+Thanks for all your work!
+
+:heart: Linus Unnebäck ([@LinusU](https://github.com/LinusU))
+
+:heart: Ronaldo Lima ([@ronal2do](https://github.com/ronal2do))
+
+#### 🚀  Enhancement
+
+- trying out auto [#60](https://github.com/react-native-community/hooks/pull/60) ([@pvinis](https://github.com/pvinis))
+
+#### 🐛  Bug Fix
+
+- Update README.md [#61](https://github.com/react-native-community/hooks/pull/61) ([@pvinis](https://github.com/pvinis))
+- Create LICENSE [#57](https://github.com/react-native-community/hooks/pull/57) ([@pvinis](https://github.com/pvinis))
+- Make sure initial dimensions are up-to-date [#58](https://github.com/react-native-community/hooks/pull/58) ([@LinusU](https://github.com/LinusU))
+- from pr #38 from @arielger  ([@pvinis](https://github.com/pvinis))
+- Update useBackHandler.js
+
+Every time this function was called you will add a new `addEventListener`, now we passed an argument to create a new listener only when receive a new function [#40](https://github.com/react-native-community/hooks/pull/40) ([@ronal2do](https://github.com/ronal2do))
+
+#### ⚠️  Pushed to master
+
+- bump  ([@pvinis](https://github.com/pvinis))
+- aha  ([@pvinis](https://github.com/pvinis))
+- upg  ([@pvinis](https://github.com/pvinis))
+- test  ([@pvinis](https://github.com/pvinis))
+- try  ([@pvinis](https://github.com/pvinis))
+- some baaaasic tests  ([@pvinis](https://github.com/pvinis))
+- rename repo to be canonical with the rest and fix links  ([@pvinis](https://github.com/pvinis))
+- 2.0.1  ([@LinusU](https://github.com/LinusU))
+- avoid shadowing  ([@pvinis](https://github.com/pvinis))
+- Merge branch 'ronal2do-patch-1'  ([@pvinis](https://github.com/pvinis))
+- Merge branch 'patch-1' of https://github.com/ronal2do/react-native-hooks into ronal2do-patch-1  ([@pvinis](https://github.com/pvinis))
+- upgrade  ([@pvinis](https://github.com/pvinis))
+
+#### Authors: 3
+
+- Linus Unnebäck ([@LinusU](https://github.com/LinusU))
+- Pavlos Vinieratos ([@pvinis](https://github.com/pvinis))
+- Ronaldo Lima ([@ronal2do](https://github.com/ronal2do))
+
+---
+