Microsoft released Deployment guide documentation for DaRT:
This guide describes how to install DaRT and its prerequisites. It also compares the deployment methods available for DaRT to help you choose the best solutions for your environment; then it offers step-by-step instructions for each method. The methods discussed in this guide are: removable discs and USB media, manual installation to the local hard drive, and installation to the local hard drive using System Center 2012 Configuration Manager. Installation to the local hard drive by using Microsoft Deployment Toolkit 2012 (MDT 2012) Delivery to PCs as a network service by using Windows Deployment Services (Windows DS).
Documentation can be downloaded from here.