display last login to User Admin

app/Http/Resources/User.php

@@ -14,6 +14,7 @@ class User extends JsonResource
      */
     public function toArray($request)
     {
+//        dd($this);
         return [
             'data' => [
                 'type' => 'users',
@@ -21,6 +22,7 @@ class User extends JsonResource
                 'attributes' => [
                     'name' => $this->name,
                     'email' => $this->email,
+                    'last_login' => optional($this->login_at)->diffForHumans(),
                     'is_admin' => $this->isAdmin(),
                 ],
             ],

app/Models/User.php

@@ -43,6 +43,8 @@ class User extends Authenticatable
         'email_verified_at' => 'datetime',
     ];
 
+    protected $dates = ['login_at'];
+
     public function isAdmin(): bool
     {
         return $this->role === 2;