Format changelog

CHANGELOG.md

@@ -1,5 +1,7 @@
+# Changelog
+___
 ## v2.2.0
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+___
 ### Added
 * Component name can be a number as well to support enum component names [#e32d8d2](https://github.com/wix/react-native-navigation/commit/e32d8d2c1a30e4a50b6b1f6ed8eeb99b81b58cde) by [henrikra](https://github.com/henrikra)
 * Update lodash to v4.17.x [#77e2faa](https://github.com/wix/react-native-navigation/commit/77e2faa5988c1e7905bc138030422291413213e0)
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 * Use proper key for bottom tab height [#3b98553](https://github.com/wix/react-native-navigation/commit/3b9855327363149613f371e6eb47727fc8430aab) by [Krizzu](https://github.com/Krizzu)
 
 ## 2.1.3
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+___
 ### Added
 #### iOS
 * Add optional componentId param to bindComponent [#0a6e34f](https://github.com/wix/react-native-navigation/commit/0a6e34f2dd16bbec43edd37c93c0f609b6c589f2) by [luigiinred](https://github.com/luigiinred)