feat(licenses): enhance license validation and loading state management

- Added loading state management in the EnablePaidFeatures component to improve user experience during license validation.
- Updated validateLicense function to return detailed error messages for better feedback.
- Modified user API to return validation results instead of a boolean, enhancing error handling.
- Removed unused SQL files and updated package.json scripts for better development workflow.

apps/licenses/package.json

@@ -9,6 +9,7 @@
 		"typecheck": "tsc --noEmit",
 		"generate": "drizzle-kit generate",
 		"drop": "drizzle-kit drop",
+		"push": "drizzle-kit push",
 		"migrate": "tsx ./migrate.ts",
 		"truncate": "tsx ./truncate.ts",
 		"reset:all": "tsx ./truncate.ts && tsx ./migrate.ts",