feat: add profile link to header and implement user profile update functionality with email and password management

src/components/layout/Header.tsx

@@ -75,6 +75,13 @@ export function Header() {
                         {session.user.email}
                       </p>
                     </div>
+                    <Link
+                      href="/profile"
+                      onClick={() => setMenuOpen(false)}
+                      className="block w-full px-4 py-2 text-left text-sm text-foreground hover:bg-card-hover"
+                    >
+                      👤 Mon Profil
+                    </Link>
                     <button
                       onClick={() => signOut({ callbackUrl: '/' })}
                       className="w-full px-4 py-2 text-left text-sm text-destructive hover:bg-card-hover"