~jaro/balkon

ref: 7bc4ab57fb1fa08d10db5c12909785a553cf1cc6 balkon/src/Data/Text/ParagraphLayout d---------
Avoid reimplementing Data.Text.Lazy.fromStrict.
Implement "plain" interface.
Use Rect in "plain" interface.
Create "plain" interface.
Add module for working with rectangle coordinates.
Separate modules.