🔧 chore(commands): rename and update mini shadui commands
- rename mini-check-shadui.md to mini-shadui-check.md for consistent naming
- rename mini-page.md to mini-shadui-page.md to clarify it's shadui-specific
- update description in mini-shadui-page.md to specify it's for shadui pages
- update overview to mention Shadui in the technology stack
- add Shadui path section specifying component location