(FEATURE) Add Weekly Calendar Event Layers?

Add Toggleable Event Layers:
- [ ] To see other Section Times for their classes
- [ ] To see user imputed events (such as office hours for their classes, personal events, etc.)

Additional add-ons:
- Have "more details" include professor name / TA name?
- Allow Users to add details to their own events?
- allow users to click on a time/day to make an event