fix(login): login response contract

app/Http/Responses/LoginResponse.php

@@ -0,0 +1,17 @@
+<?php
+namespace App\Http\Responses;
+
+use Laravel\Fortify\Contracts\LoginResponse as LoginResponseContract;
+
+class LoginResponse implements LoginResponseContract
+{
+    /**
+     * @param  $request
+     * @return mixed
+     */
+    public function toResponse($request)
+    {
+        $user = $request->user();
+        return response()->json($user);
+    }
+}