Add monitoring features for FunTuple and include Tupling of vectors and 3x3 matrices
This merge request addresses #16 (closed), namely providing monitoring of the user jobs by including:
- Number of processed events;
- Number of non-empty events;
- Number of events with candidate multiplicity > 1.
It additionally includes tupling of vector quantities and 3x3 matrices.
Requirements: DaVinci!585 (merged)
Work towards https://gitlab.cern.ch/lhcb-dpa/project/-/issues/6.