Add information about replicability in science

[brian-knosp]

Feedback from a training -- we discuss the importance of reproducibility in several modules (and the Reproducibility Crisis), but don't spend much time on replicability. There is a distinction between the two, "can you reproduce something exactly (i.e., the precision of your work)" vs. "can you get see the same result another way (i.e., the accuracy of your work)". It would be good to also discuss replicability and how open science can enable that.