feat(share): implement share functionality for medication schedules with token-based access

backend/src/index.ts

@@ -16,6 +16,7 @@ import { authRoutes } from "./routes/auth.js";
 import { medicationRoutes } from "./routes/medications.js";
 import { settingsRoutes } from "./routes/settings.js";
 import { plannerRoutes } from "./routes/planner.js";
+import { shareRoutes } from "./routes/share.js";
 import { startReminderScheduler } from "./services/reminder-scheduler.js";
 import { startIntakeReminderScheduler } from "./services/intake-reminder-scheduler.js";
 
@@ -99,6 +100,7 @@ await app.register(authRoutes);
 await app.register(medicationRoutes);
 await app.register(settingsRoutes);
 await app.register(plannerRoutes);
+await app.register(shareRoutes);
 
 const start = async () => {
   try {