Implement role based shifts for crew

shared/types/schedule.d.ts

@@ -23,7 +23,29 @@ export interface TimeSlot {
 	interested?: number,
 }
 
+export interface Shift {
+	name: string,
+	id: string,
+	role: string,
+	description?: string,
+	slots: ShiftSlot[],
+}
+
+export interface Role {
+	name: string,
+	id: string,
+	description?: string,
+}
+
+export interface ShiftSlot {
+	id: string,
+	start: string,
+	end: string,
+}
+
 export interface Schedule {
 	locations: ScheduleLocation[],
 	events: ScheduleEvent[],
+	roles?: Role[],
+	rota?: Shift[],
 }