feat: add '.basis-x' utility classes

[Techassi]

This PR adds the .basis-x classes

Reference

• https://tailwindcss.com/docs/flex-basis

[codecov-commenter]

Codecov Report

Merging #611 (8b28279) into main (295e934) will increase coverage by 0.02%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #611      +/-   ##
==========================================
+ Coverage   88.16%   88.19%   +0.02%     
==========================================
  Files          56       56              
  Lines        4842     4852      +10     
  Branches     1034     1034              
==========================================
+ Hits         4269     4279      +10     
  Misses        310      310              
  Partials      263      263              

Impacted Files	Coverage Δ
src/lib/utilities/static.ts	100.00% <ø> (ø)
src/utils/completions.ts	100.00% <ø> (ø)
src/config/order.ts	100.00% <100.00%> (ø)
src/lib/utilities/dynamic.ts	94.58% <100.00%> (+0.05%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 295e934...8b28279. Read the comment docs.