~jaro/balkon

ref: 2613eb4c3f34a20fef02712d58af34e9b5200e6e balkon/src/Data/Text/ParagraphLayout/Internal/Break.hs -rw-r--r-- 1.7 KiB 
Update documentation and derived instances.

Move non-public modules into Internal namespace.

Use ICU to find line break boundaries.