Direct users to discussions for questions regarding usage, configuration and examples

[paddyroddy]

I have added this to the pyproject.toml in #214 so will close this for now. Plus we now have a couple of questions in there. https://github.com/quantumjot/BayesianTracker/blob/991a29b96757d790b901a1fb655cd0fcbbc60e0c/pyproject.toml#L50