CP - Move WaitTimeList from RealTime solution

[mpostol]

Describe problem

Move WaitTimeList from the RealTime solution. Adopt appropriate UT and all dependencies.

Describe the solution you'd like

Import classes and improve according to repository needs and current knowledge requirements. Consider the 06-Real-TimeProgramming folder as the target location.

List of tasks to be accomplished

• [ ] import WaitTimeList as is
• [ ] import dependencies
• [ ] import UT

[mpostol]

Contributes to #427