Add a website example

[oliviergimenez]

Such a great idea 👏 👏

Site name: Bayesian statistics with R
Site url: https://oliviergimenez.github.io/bayesian-stats-with-R/
Source code url: https://github.com/oliviergimenez/bayesian-stats-with-R

Thanks @jhelvy 😉

[jhelvy]

Welcome!