Domain: Implement DeleteTaskCommand/TaskDeletedEvent
tidy up unit test name
Cleanup: Remove TaskSummary because it is not used anyway.
Update README with troubleshooting guide
Enable task deletions in the UI
Merge branch 'feature/deleteCommand' into develop

* feature/deleteCommand:
  Enable task deletions in the UI
  Update README with troubleshooting guide
  Cleanup: Remove TaskSummary because it is not used anyway.
  tidy up unit test name
  Domain: Implement DeleteTaskCommand/TaskDeletedEvent