enzo/Fis-AuditMessage: Will be primarily to deal with any data transmission loss and error in synchronizing. @ 81f4f5514ccd340e176c3ec08d3bfb6e0824c12a

Enzo 81f4f5514c added some more comments		il y a 1 an
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acknowledgemeent.service.ts	81f4f5514c added some more comments	il y a 1 an
synchronization.service.ts	a933a94195 acknowledgement service (update)	il y a 1 an