refactor: Rename middleware function to proxy for clarity

- Updated the function name from middleware to proxy to better reflect its purpose in handling requests.
- Ensured consistency in naming conventions across the codebase.

proxy.ts

@@ -2,7 +2,7 @@ import { NextResponse } from "next/server"
 import type { NextRequest } from "next/server"
 import { getToken } from "next-auth/jwt"
 
-export async function middleware(request: NextRequest) {
+export async function proxy(request: NextRequest) {
   const pathname = request.nextUrl.pathname
 
   // Public routes - allow access