groups get tokens

Backend/Controllers/Group/Group.php

@@ -0,0 +1,16 @@
+<?php
+require "../../../bootstrap.php";
+
+use Backend\Models\Group;
+use Backend\Models\Password;
+
+/**
+ * @param string $token
+ * @return Group;
+ */
+
+function groupViaToken(string $token){
+
+    $password = Password::firstWhere('remember_token', $token);
+    return Group::find($password->group_id);
+}