FEATURE #1368: add form for creating new custom field

Currently, form is not saved, however it is validated.

app/Http/Controllers/Admin/CreateNewCustomField.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Http\Controllers\Admin;
+
+use App\Http\Requests\NewCustomFieldRequest;
+
+class CreateNewCustomField extends Controller
+{
+    public function getNew()
+    {
+        $types = [];
+
+        return view('admin.customFields.new', ['types' => $types]);
+    }
+
+    public function postNew(NewCustomFieldRequest $request)
+    {
+    }
+}