UML interaction diagram for gemdaqmonitor subpackage

[mexanick]

Brief summary of issue

Need to provide the interaction diagram for the monitoring package. The diagram should include interaction agents, protocols and actions.

Types of issue

• Bug report (report an issue with the code)
• Feature request (request for change which adds functionality)
• Documentation update

Need-by date

Apr 15, 2020

[cgalloni]

@dteague, can you migrate this issue or make sure that the diagrams are attached properly to the GitLab issue. And then close this one?