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-basic.blade.php

@@ -0,0 +1,11 @@
+<div class="entity-list {{ $style ?? '' }}">
+    @if(count($entities) > 0)
+        @foreach($entities as $index => $entity)
+            @include('entities.list-item-basic', ['entity' => $entity])
+        @endforeach
+    @else
+        <p class="text-muted empty-text">
+            {{ $emptyText ?? trans('common.no_items') }}
+        </p>
+    @endif
+</div>