[FCC] Add HighLevelReco Sequence for FCC

[Victor-Schwan]

BEGINRELEASENOTES

• Introduces the HighLevelReco_FCCee for ILD@FCC

ENDRELEASENOTES

[Victor-Schwan]

As requested in #188

[tmadlener]

Very nice, thank you.

For clarification: This works on a technical level, but the tracks are essentially Clupatra (or silicon?) only?

This might also be a good point to add a quick section to this README about the FCC reconstruction. That would allow us to state how to run it (which is essentially passing in an FCC model, right?) and what differences there are with the "standard ILD" reconstruction chain. I think key details to highlight there are

• Differences in configuration parameters (if any) for the FCC reco
• What currently works and what doesn't