Update documentation

- Add section on the `setup` script.

Author: WadeBarnes

chocolatey/README.md

@@ -22,4 +22,18 @@ You can optionally provide the name of another configuration file when running t
 ```
 *This will run the setup using the `./config/openShift.config` configuration file.*
 
-The PowerShell version of the script `up.ps1` works the same way and may be used in an environment where PowerShell has already been used and configured.
+The PowerShell version of the script `up.ps1` works the same way and may be used in an environment where PowerShell has already been used and configured.
+
+# Using the SetUp Script
+
+The `setup.cmd` script can be used to integrate a specific version of the Chocolatey setup scripts into your project.
+
+1. Copy the `setup.cmd` script into your project.
+1. Create a custom Chocolatey package file and place it in a `./config` directory relative to the `setup.cmd` script; `./config/</config>.config` for example.
+1. Update the defaults (`DEFAULT_CHOCO_CONFIG` for example) in the `setup.cmd` script to match your configuration.
+1. Commit the changes to your project.
+1. On the target system;
+    1. Pull down a copy of your `setup.cmd` script and configuration.
+    1. Run the `setup.cmd` script.
+
+The script will download the versioned copies of the main `up` scripts, and install the packages defined in your configuration file after installing Chocolatey if needed.