Layout direction specifies the direction in which children and text
in a hierarchy should be laid out. Layout direction also effects what
end refer to. By default Yoga lays out with
layout direction. In this mode
start refers to
right. When localizing your apps for markets with RTL languages
you should customize this by either by passing a direction
CalculateLayout call or by setting the direction on the root node.
LTR (DEFAULT) Text and children and laid out from left to right. Margin and padding applied the start of an element are applied on the left side.
RTL Text and children and laid out from right to left. Margin and padding applied the start of an element are applied on the right side.