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/deleteSchedule.ts

@@ -1,5 +1,11 @@
 import { UserScheduleStore } from '@shared/storage/UserScheduleStore';
 
+/**
+ * Deletes a schedule with the specified name.
+ *
+ * @param scheduleName - The name of the schedule to delete.
+ * @returns A promise that resolves to a string if there is an error, or undefined if the schedule is deleted successfully.
+ */
 export default async function deleteSchedule(scheduleName: string): Promise<string | undefined> {
     const [schedules, activeIndex] = await Promise.all([
         UserScheduleStore.get('schedules'),