~jaro/balkon

ref: 2a2cdd51f9c7560ff2eb6e92a2fe3a4b75b54e1c balkon/test/Data/Text/ParagraphLayout/Internal/TreeSpec.hs -rw-r--r-- 4.3 KiB 
Add required textDirection to TextOptions.

Use ResolvedBox when flattening trees.