Fix : correct parameter in middleware.ts

[Shobhini]

Description

Fixed incorrect parameter usage in the middleware.ts file.
Fixes #1

Changes Made

• Corrected the parameter structure in the clerkMiddleware function
• Ensures proper authentication flow for public and protected routes

Technical Details

The middleware now correctly handles:

• Public route authentication
• Protected route authentication
• User redirection logic

Impact

This fix ensures proper authentication handling throughout the application and prevents potential authentication-related issues.