Implement more of <table> layout

Fix inline sizing, handle length units for callers.

Integrate text-alignment support!

Implement unicode-bidi-property, attempted. Doesn't handle tree.

Commit extracted property-parsing code from Graphics.Layout.CSS

Fix fontsize handling.

Reconstruct inline tree.

Refactor to use newer Balkón APIs.

Add support for logical properties thanks to Stylist Traits update.

Implement property prioritization & shorthands.

Add descriptions of CSS property-parsing submodules.

Commence reference documentation!

Merge branch 'main' of git.argonaut-constellation.org:~alcinnz/CatTrap

Export extended length parser.

Export numeric conversion utility.

Constrain exports from Graphics.Layout.CSS.Length

Rename Graphics.Layout.CSS.Internal to Length

Fix imports in Graphics.Layout.CSS.Font

Seperate out Font API from internals.

Attempt to fix failure to query system fonts.

Typecheck fixes.