Phalcon compat layer: add Url validator

src/opnsense/mvc/app/library/OPNsense/Phalcon/Filter/Validation/Validator/Url.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace OPNsense\Phalcon\Filter\Validation\Validator;
+
+use Phalcon\Filter\Validation\Validator\Url as PhalconUrl;
+use Phalcon\Validation\Validator\Url as PhalconUrl4;
+
+if (class_exists("Phalcon\Filter\Validation\Validator\Url", false)) {
+    class UrlWrapper extends PhalconUrl
+    {
+    }
+} else {
+    class UrlWrapper extends PhalconUrl4
+    {
+    }
+}
+
+class Url extends UrlWrapper
+{
+}