Merge pull request #190 from anusha94/master

Update README

Author: tianhao64

samples/vmc/README.md

@@ -6,6 +6,7 @@ Directory       | Description
 ----------------| -------------
 orgs            | Samples for operations on organizations
 sddc            | Samples for operations on SDDCs
+draas           | Samples for DRaaS APIs
 networks        | Samples for networking APIs
 helpers         | Helper methods used by VMware Cloud on AWS API samples