feature: a minimal implementation of the appointment feature done.

frontend/src/types/appointment.ts

@@ -0,0 +1,27 @@
+import type { Patient } from './patient';
+
+export const APPOINTMENT_PURPOSES = [
+  'consultation',
+  'filling',
+  'endo',
+  'visit',
+  'hygiene',
+] as const;
+
+export type AppointmentPurpose = (typeof APPOINTMENT_PURPOSES)[number];
+
+export interface AppointmentColumnProvider {
+  userId: string;
+  name: string;
+}
+
+export interface AppointmentRecord {
+  id: string;
+  organizationId: string;
+  patientId: string;
+  providerUserId: string;
+  startAt: string;
+  endAt: string;
+  purpose: string;
+  patient: Pick<Patient, 'id' | 'firstName' | 'lastName' | 'phone'>;
+}