Add Google sign-in functionality to Login and Register pages, including error handling and UI updates for better user experience.

middleware.ts

@@ -0,0 +1,22 @@
+import { createMiddlewareClient } from '@supabase/auth-helpers-nextjs';
+import { NextResponse } from 'next/server';
+import type { NextRequest } from 'next/server';
+
+export async function middleware(req: NextRequest) {
+  const res = NextResponse.next();
+  
+  // Create a Supabase client configured to use cookies
+  const supabase = createMiddlewareClient({ req, res });
+  
+  // Refresh session if expired - required for Server Components
+  await supabase.auth.getSession();
+  
+  return res;
+}
+
+// Specify the paths where this middleware should run
+export const config = {
+  matcher: [
+    '/((?!_next/static|_next/image|favicon.ico).*)',
+  ],
+};