Make domain CRUD pages look a little better

templates/domain/_delete_form.html.twig

@@ -1,4 +1,4 @@
 <form method="post" action="{{ path('app_domain_delete', {'id': domain.id}) }}" onsubmit="return confirm('Are you sure you want to delete this item?');">
     <input type="hidden" name="_token" value="{{ csrf_token('delete' ~ domain.id) }}">
-    <button class="btn">Delete</button>
+    <button class="btn btn-danger m-1">Delete</button>
 </form>

templates/domain/_form.html.twig

@@ -1,4 +1,4 @@
-{{ form_start(form) }}
+{{ form_start(form, { 'attr' : { 'class': 'mb-3' } }) }}
     {{ form_widget(form) }}
-    <button class="btn">{{ button_label|default('Save') }}</button>
+    <button class="btn btn-primary float-start m-1">{{ button_label|default('Save') }}</button>
 {{ form_end(form) }}

templates/domain/edit.html.twig

@@ -7,7 +7,7 @@
 
     {{ include('domain/_form.html.twig', {'button_label': 'Update'}) }}
 
-    <a href="{{ path('app_domain_index') }}">back to list</a>
+    <a href="{{ path('app_domain_index') }}" class="btn btn-secondary float-end m-1">Cancel</a>
 
     {{ include('domain/_delete_form.html.twig') }}
 {% endblock %}

templates/domain/new.html.twig

@@ -7,5 +7,5 @@
 
     {{ include('domain/_form.html.twig') }}
 
-    <a href="{{ path('app_domain_index') }}">back to list</a>
+    <a href="{{ path('app_domain_index') }}" class="btn btn-secondary float-end m-1">Cancel</a>
 {% endblock %}