refactor: replace custom CRM with Monica fork

app/Http/Requests/EmailChangeRequest.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace App\Http\Requests;
+
+class EmailChangeRequest extends AuthorizedRequest
+{
+    /**
+     * Get the validation rules that apply to the request.
+     *
+     * @return array
+     */
+    public function rules()
+    {
+        return [
+            'newmail' => 'required|email|max:255|unique:users,email',
+        ];
+    }
+}