Add links to build training sessions.

source/handbook/people-operations/courses/index.html.md

@@ -71,4 +71,5 @@ Notes:
 ## Build (BLD) courses
-- BLD101 XYZ TODO
+- BLD001 [GitLab Pivotal Cloud Foundry Tile](https://drive.google.com/open?id=0B5OISI5eJZ-DVlEzWUstSF85MHc)
+- BLD002 [GitLab Terraform Module](https://drive.google.com/open?id=0B0iWGgM5SiBGMjNfQ3BCbFl0Ums)