Python: connected ranges

[TomCools]

Connected Ranges have been implemented in Java, but not in Python. This has lead to confusion where our documentation stated that it did exist, while it did not yet.

Describe the solution you'd like
Implement the Connected Ranges and Connected Temporal Ranges interfaces

Additional context
Mentioned in Stackoverflow issue: https://stackoverflow.com/questions/79464535/how-to-implement-timefold-constraint-with-helper-function-print-unexpected-be/79465978?noredirect=1#comment140147776_79465978