title: How to change application name in laravel 5.8
body: <p>I Have just installed <code>Laravel 5.8</code> and I want to change the application name from <code>Laravel</code> to <code>CodeTube</code>.
  I have written this in <code>.env</code> file <code>APP_NAME=CudeTube</code> but the Name didn't change.</p>