Added BlueChi demos

This MR adds two new demos around usage of BlueChi:

• BlueChi on ASIL and QM (default scenario)
• bluechi-controller on a remote host (container) managing the agent on an image built with a-i-b

Relates to: CentOS/automotive/src/automotive-image-builder!417 (merged)

Signed-off-by: Michael Engel mengel@redhat.com