~jaro/balkon

ref: 2a2cdd51f9c7560ff2eb6e92a2fe3a4b75b54e1c balkon/src/Data/Text/ParagraphLayout/Internal/Rich/ParagraphLayout.hs -rw-r--r-- 2.4 KiB 
Add ancestor boxes to interface.

Implement Rich pagination.

Add basic support for Rich layout.