refactor: Replace Webpack with Vite (#53)

src/pages/background/lib/clearCourses.ts

@@ -0,0 +1,11 @@
+import { UserScheduleStore } from '@shared/storage/UserScheduleStore';
+
+export default async function clearCourses(scheduleName: string): Promise<void> {
+    const schedules = await UserScheduleStore.get('schedules');
+    const schedule = schedules.find(schedule => schedule.name === scheduleName);
+    if (!schedule) {
+        throw new Error(`Schedule ${scheduleName} does not exist`);
+    }
+    schedule.courses = [];
+    await UserScheduleStore.set('schedules', schedules);
+}