Add cue_export rule to Bazel workspace.
Add cue_export rule to Bazel workspace.

Includes a simple example that exports yaml for configuring a Kubernetes service.

Bug: 167428995
Change-Id: I7847f6cede82265b28e96febc7875bbe9f87947f

world-federation-of-advertisers/common-jvm,world-federation-of-advertisers/common-jvm