Lint PHP code psr-12, add GH action

app/Notifications/ResetPassword.php

@@ -15,7 +15,7 @@ class ResetPassword extends Notification
      */
     public function toMail($notifiable)
     {
-        return (new MailMessage)
+        return (new MailMessage())
             ->line('You are receiving this email because we received a password reset request for your account.')
             ->action('Reset Password', front_url('password/reset/'.$this->token).'?email='.urlencode($notifiable->email))
             ->line('If you did not request a password reset, no further action is required.');