feat(Orientation): Appointment process from a structure list

...form/orientation-form-view/enums/MeetingRDVSSteps.enum.ts

...ents/information-screen/information-screen.component.html

...view/global-components/navigation/navigation.component.ts

...rdvs/meeting-rdvs-doing/meeting-rdvs-doing.component.html

...rdvs/meeting-rdvs-doing/meeting-rdvs-doing.component.scss

...g-rdvs/meeting-rdvs-doing/meeting-rdvs-doing.component.ts

...common/accompaniment-type/accompaniment-type.component.ts

...orm-view/online-demarch/onlineDemarch-form.component.html

...rientation-form-view/orientation-form-view.component.scss

src/app/services/rdvs.service.ts

...onents/structure-details/structure-details.component.html

src/assets/form/rdvsImage.svg