Reorgranised blade view files to form a convention

- Primarily moved and re-organised view files.
- Included readme within views to document the convention.
- Fixed some issues with page field select list in previous commit.
- Tweaked some route names while going through.
- Split some views out further.

Closes #2805

resources/views/entities/list-item-basic.blade.php

@@ -0,0 +1,8 @@
+<?php $type = $entity->getType(); ?>
+<a href="{{ $entity->getUrl() }}" class="{{$type}} {{$type === 'page' && $entity->draft ? 'draft' : ''}} {{$classes ?? ''}} entity-list-item" data-entity-type="{{$type}}" data-entity-id="{{$entity->id}}">
+    <span role="presentation" class="icon text-{{$type}}">@icon($type)</span>
+    <div class="content">
+            <h4 class="entity-list-item-name break-text">{{ $entity->name }}</h4>
+            {{ $slot ?? '' }}
+    </div>
+</a>