UI for schedules

[mrodz]

• [X] List Schedules
  • [X] Rename Schedule
  • [X] Delete Schedule
• [X] Schedule Card
  • [X] Click to enter
  • [X] Display events

[mrodz]

Additional feature:

Loading Screen on Schedule Submission

• Show elapsed time
• Ping health of server to wake it up, display health status
• Message to explain why scheduling takes time