{#
  Toast Notification Container

  Include once in base.html.twig.
  Toasts are created dynamically via the Stimulus controller.
  Dispatch: document.dispatchEvent(new CustomEvent('toast:show', {
      detail: { message: '...', variant: 'success', duration: 5000 }
  }))
#}
<div class="m-toast-container"
     data-controller="toast"
     data-toast-duration-value="5000">
</div>