chore: lint-format-docs-tests-bugfixes (#105)

* docs: add jsdoc

* feat: change enums to as const objects

* chore(test): add themeColors.test.ts

* fix: fix tests and bugs with strings.ts util

* fix: path alias imports and tsconfig file bug

* fix: remove --max-warnings 0

src/pages/background/lib/clearCourses.ts

@@ -1,5 +1,10 @@
 import { UserScheduleStore } from '@shared/storage/UserScheduleStore';
 
+/**
+ * Clears the courses for a given schedule.
+ * @param scheduleName - The name of the schedule.
+ * @throws Error if the schedule does not exist.
+ */
 export default async function clearCourses(scheduleName: string): Promise<void> {
     const schedules = await UserScheduleStore.get('schedules');
     const schedule = schedules.find(schedule => schedule.name === scheduleName);