Add example of a dropdown in a collection
Add example of a dropdown in a collection

Signed-off-by: Derek Richard <c66c8abe60571adced0f98547bf7e4a9d1c7a8e2@pivotal.io>

pivotal-cf-experimental/ops-manager-example,pivotal-cf-experimental/ops-manager-example,pivotal-cf-experimental/ops-manager-example,pivotal-cf-experimental/ops-manager-example