Draft: Support for nominal beamline
This is to see how to add support for nominal beam line.
It requires introducing a new option for Beam:
generation:
options:
Beam: PV_at_000
but it should also use a different simcond tag that the nominal e.g. for expected-2024
it should use sim10-2024-v1.0-vc0mm-mu100
... how can we override this in sim-version/sim10.py
?