feat: add API client and services for medicines, pharmacies, auth

frontend-mobile/services/medicines.ts

@@ -0,0 +1,17 @@
+import api from './api';
+import { Medicine, PharmacyMedicine } from '../types';
+
+export async function searchMedicines(query: string): Promise<Medicine[]> {
+  const response = await api.get(`/medicines/search?q=${encodeURIComponent(query)}`);
+  return response.data;
+}
+
+export async function getMedicine(nregistro: string): Promise<Medicine> {
+  const response = await api.get(`/medicines/${nregistro}`);
+  return response.data;
+}
+
+export async function getMedicinePharmacies(nregistro: string): Promise<PharmacyMedicine[]> {
+  const response = await api.get(`/medicines/${nregistro}/pharmacies`);
+  return response.data;
+}