refactor: replace custom CRM with Monica fork

app/Services/DavClient/Utils/Model/ContactDto.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace App\Services\DavClient\Utils\Model;
+
+class ContactDto
+{
+    /**
+     * @var string
+     */
+    public $uri;
+
+    /**
+     * @var string|null
+     */
+    public $etag;
+
+    /**
+     * Create a new ContactDto.
+     *
+     * @param  string  $uri
+     * @param  string|null  $etag
+     */
+    public function __construct(string $uri, ?string $etag = null)
+    {
+        $this->uri = $uri;
+        $this->etag = $etag;
+    }
+}