Train Time Table

1. The display should show a clock, so people know what time it is.
2. The display should show the next two buses due to leave the station
3. The display should show a minute-by-minute update on when the buses
   are due to depart
4. The display should indicate when no buses are due to depart in the
   next 15 minutes
5. Every minute on the timetable should be represented in real-time
   seconds (i.e. 1 hour = 60 seconds)

In React / JavaScript