feat: adds twFlipForRtl cn export to useRtlFlip

[wackerow]

Description

• Updates the useRtlFlip custom hook to return txFlipForRtl with tailwind class -scale-x-1 to horizontally flip elements
• Marked as the preferred method over using the transform value, and mark existing as deprecated
• Keeps existing flipForRtl export unchanged for temporary backward compatibility

Related Issue

Tailwindcss migration

@pettinarip Would this be useful or do you see another approach here?

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