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/form/restriction-checkbox.blade.php

@@ -5,7 +5,7 @@ $role
 $action
 $model?
 --}}
-@include('components.custom-checkbox', [
+@include('form.custom-checkbox', [
     'name' => $name . '[' . $role->id . '][' . $action . ']',
     'label' => $label,
     'value' => 'true',