Add TimeSelector and ScheduleModal components with tests

- Implemented TimeSelector component for selecting time with AM/PM toggle and minute/hour increment/decrement functionality.
- Created ScheduleModal component for scheduling chores with options for specific days or intervals.
- Added utility functions for scheduling logic in scheduleUtils.ts.
- Developed comprehensive tests for TimeSelector and scheduleUtils functions to ensure correct behavior.

backend/main.py

@@ -9,6 +9,7 @@ from api.admin_api import admin_api
 from api.auth_api import auth_api
 from api.child_api import child_api
 from api.child_override_api import child_override_api
+from api.chore_schedule_api import chore_schedule_api
 from api.image_api import image_api
 from api.reward_api import reward_api
 from api.task_api import task_api
@@ -37,6 +38,7 @@ app = Flask(__name__)
 app.register_blueprint(admin_api)
 app.register_blueprint(child_api)
 app.register_blueprint(child_override_api)
+app.register_blueprint(chore_schedule_api)
 app.register_blueprint(reward_api)
 app.register_blueprint(task_api)
 app.register_blueprint(image_api)