CP - move Port class from RealTime

[mpostol]

Describe problem

The class Port must be moved from the RealTime repository. All dependencies and UT must also be imported.

Describe the solution you'd like

Consider the 05-Communication folder as the target location.

Describe alternatives you've considered

A clear and concise description of any alternative solutions or features you've considered.

List of tasks to be accomplished

• Import Port class
• Consider changing the name of this class.
• import all dependencies
• import UT and dependencies.

[mpostol]

Contributes to #427