Move EFTrackingFPGAIntegration package to reentrant algorithm
This MR covers tasks listed in EFTRACK-559
- moves the algorithm from
AthAlgorithm
toAthReentrantAlgorithm
to align with the Athena standard and also as suggested from earlier MR review 72143. - update README
This package is a standalone WIP and this MR will not affect production and validation workflow.