Updated readme to explain what each script does.

README.md

@@ -89,5 +89,10 @@ From http://plugins.jquery.com.dev/wp-admin/
     * Leave `siteId` null (unless you happen to be using a Wordpress multi-site installation locally, in which case supply the site's ID in the multi-site install)
 
 6. `node src/setup.js`
+    * This is a one time setup which will erase any previous data generated by other scripts in this repo.
 
-7. `node src/main.js`
+7. `node src/update.js`
+    * This currently just mocks a specific post-receive hook. This will actually be the script invoked by post-receive hooks.
+
+8. `node src/wp-update.js`
+    * This is intended to run as a long running processes, monitored by a system such as monit.