Revert "Ajout observateur update place systeme rue"

This reverts commit d3381ecfd6b43b89542214f65ec37191d26d933d.
Revert "Revert "Ajout observateur update place systeme rue""

This reverts commit ae135520b6eead658df80f527b86cf222dd6cc79.
Ajout classe static Reservation (en l'état)