Truncate distributions

[rospoly]

We need to figure out what to do for distributions that are not natively truncated in scipy.stats (like rayleigh).
Meaning, we need to truncate them.

A potential solution would be: https://timvieira.github.io/blog/post/2020/06/30/generating-truncated-random-variates/

@fdahlqvist please confirm the approach described above is correct.