Finish first round of User/Node API additions

Will still need some tweaking and improvements to allow everything to be used.

app/Traits/Services/ReturnsUpdatedModels.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace Pterodactyl\Traits\Services;
+
+trait ReturnsUpdatedModels
+{
+    /**
+     * @var bool
+     */
+    private $updatedModel = false;
+
+    /**
+     * @return bool
+     */
+    public function getUpdatedModel()
+    {
+        return $this->updatedModel;
+    }
+
+    /**
+     * If called a fresh model will be returned from the database. This is used
+     * for API calls, but is unnecessary for UI based updates where the page is
+     * being reloaded and a fresh model will be pulled anyways.
+     *
+     * @param bool $toggle
+     *
+     * @return $this
+     */
+    public function returnUpdatedModel(bool $toggle = true)
+    {
+        $this->updatedModel = $toggle;
+
+        return $this;
+    }
+}