[UPD] Swift 6 Migration

[FIX] UnitPoint flipping

[IMP] RTL Support

[FIX] method to set arbitrary flipped state.

[ADD] BiComponent .one

[ADD] CGSize .square

[ADD] BiComponent rounding

[ADD] BiComponent vertical + horizontal creator

[ADD] BiComponent equality & approximate equality

[ADD] Insets simd4 settable

[IMP] BiComponent clamping