datatable.directory/resources/views/layouts/guest-buttons.blade.php

<li class="nav-item">
  <a class="nav-link" href="{{ route('login') }}">
    @icon(fa-sign-in pr-1)
    {{ __('Login') }}
  </a>

@if(config('app.allow_regs'))
  <li class="nav-item">
    <a class="nav-link" href="{{ route('register') }}">
      @icon(fa-user-plus pr-1)
      {{ __('Register') }}
    </a>
@endif