chore: add CSS RTL detector

[userquin]

This PR adds a new UnoCSS Preset to detect, replace and warn wrong left/right usages.

There are some edge cases where we cannot do anything, for example pl8, if the code contains for example const pl8 =... the preset rule for padding will warn...

The rules covered with the preset are:

• padding left and right with dash: pl- and pr- (the rule will replace the css with ps- and pe- content respetivelly)
• marging left and right with dash: ml- and mr- (the rule will replace the css with ms- and me- content respetivelly)
• text left and right: text-left and text-right (the rule will replace the css with text-start and text-end content respetivelly)
• border left and right: border-l and border-r (the rule will replace the css with border-is and border-ie content respetivelly)
• rounded border left and right: rounded-l and rounded-r (the rule will replace the css with rounded-is and rounded-ie content respetivelly)

[vercel]

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Actions	Updated (UTC)
npmx.dev	Ready	Preview, Comment	Jan 31, 2026 7:13pm

2 Skipped Deployments

Project	Deployment	Actions	Updated (UTC)
docs.npmx.dev	Ignored	Preview	Jan 31, 2026 7:13pm
npmx-lunaria	Ignored		Jan 31, 2026 7:13pm

[danielroe]

maybe skip this in ci to save time? not sure of the cost

[userquin]

maybe skip this in ci to save time? not sure of the cost

using std-env or process.env.CI?

[userquin]

maybe skip this in ci to save time? not sure of the cost

The cost is the same, the rules added are the same at preset-wind4, just the preset registration