Add Timeboxing as a feature in Opal

Timeboxing is a productivity technique that involves setting a specific amount of time to complete a task or a group of tasks. It is commonly used as a time management strategy to help individuals stay focused, organized, and efficient in their work or daily activities.

Here’s an example of timeboxing all 24 hours in a day:

6:00 AM - 7:00 AM: Morning routine (exercise, shower, breakfast)
7:00 AM - 8:00 AM: Commute to work
8:00 AM - 9:00 AM: Emails and prioritizing tasks for the day
9:00 AM - 10:00 AM: Meeting with team
10:00 AM - 11:00 AM: Project A work
11:00 AM - 11:15 AM: Short break
11:15 AM - 12:15 PM: Project B work
12:15 PM - 1:30 PM: Lunch break
1:30 PM - 2:30 PM: Client call
2:30 PM - 3:30 PM: Project C work
3:30 PM - 4:00 PM: Quick exercise or stretch break
4:00 PM - 5:00 PM: Task prioritization and planning for the next day
5:00 PM - 6:00 PM: Commute back home
6:00 PM - 7:00 PM: Dinner and unwind
7:00 PM - 8:00 PM: Personal time (hobbies, reading, etc.)
8:00 PM - 9:00 PM: Relaxation (meditation, self-care, etc.)
9:00 PM - 10:00 PM: Wind-down routine
10:00 PM - 6:00 AM: Sleep