* Allow topBar.title.color reset when color isn't provided

* Reset to nil color

* Merge topBar options with default

* Fix topBar options merging

Co-authored-by: Guy Carmeli <guyca@users.noreply.github.com>

* Fix largeTitle behavior on iOS 13

* Migrate project to workspace

This commit moves all unit tests to the playground workspace

* Fix ios unit tests

* Build pods before testing

* Build typescript before running iOS tests

* Remove xcode 10 support

* Add fontWeight support on iOS

* Add tests

* Fix tests