Bk/add vertical layout direction target content offset (#114)

* Implement topToBottom and bottomToTop vertical layout directions

* Add tests

* Bump version

* PR feedback

* Fix CI

Revert 1.6.10 and fix layout bugs (#109)

Fix number of sections being out of bounds crash (#108)

Bk/crash fix lazy layout attributes (#107)

* Fix layout loop crash

* Bump verison to 1.6.9

Fix dangling pointer warnings and bump version (#106)

Bk/rounding fix 2 (#105)

Make CGFloat comparison safer (#104)

Maintain the same visible items after rotation (#97)

* Attemtp to maintain the same visible items after rotation

* Spacing fix

Add automatic hashable and equatable conformances (#92)

Bump version to 1.6.3 (#89)