Data sources health monitoring

[lhubert]

USER STORY

As a user I'd like to be able to monitor the health of all my data sources. Connectivity should be immediately accessible using an icon or any other quick mean.

ACCEPTANCE CRITERIA

1. I can see any connectivity issue or any issue on my data source

DEFINITION OF DONE

• Code builds without warnings (technical task)
• Code unit tested (technical task)
• Code is reviewed by a peer colleague
• Documentation updated (user story)
• Build pushed to demo server (user story)