Update changelog

Author: guyca

CHANGELOG.md

@@ -1,4 +1,15 @@
 # Changelog
+## 2.7.0
+### Added
+* Adding hideNavBarOnFocusSearchBar option [#83f69d4](https://github.com/wix/react-native-navigation/commit/83f69d4effecfbaaf17af3cebdf8a03b38bfa589) by [sganti564](https://github.com/sganti564)
+
+### Fixed
+* Add missing type interface "waitForRender" [#f1ef49e](https://github.com/wix/react-native-navigation/commit/f1ef49e7aeb63ec17b4165cac9d7e9d0cfe6d48e) by [minhtc](https://github.com/minhtc)
+
+### Android
+* Fix title height not being set on Android [#09c8c37](https://github.com/wix/react-native-navigation/commit/09c8c37e644fa0af2f00a7ec0536d814cddc36fd) by [davrosull](https://github.com/davrosull)
+* Support calling mergeOptions on ExternalComponents [#b1e1ec8](https://github.com/wix/react-native-navigation/commit/b1e1ec84ae5f41693e69da17f7427b59e336fc6a) by [guyca](https://github.com/guyca)
+
 ## 2.6.0
 ### Added
 #### iOS