229 url for downloads (#369)

* Allow file uploads for subfleet

* Allow URL to be used for a download

* Remove old FileUploadRequest

* Move file removal logic to service layer

* Remove unused import

* Remove unused packages

resources/views/admin/subfleets/edit.blade.php

@@ -27,5 +27,11 @@
            @include('admin.subfleets.expenses')
        </div>
    </div>
+
+   <div class="card border-blue-bottom">
+       <div class="content">
+           @include('admin.common.file_upload', ['model' => $subfleet])
+       </div>
+   </div>
 @endsection
 @include('admin.subfleets.script')