[Feature request] add --fix for tailwindcss/enforces-shorthand

**Is your feature request related to a problem? Please describe.**
would be nice if `tailwindcss/enforces-shorthand` could fix the issues instead of just warning.

**Describe the solution you'd like**
`--fix` converts the long versions to shorthand.

**Describe alternatives you've considered**
N/A

**Additional context**
N/A
