More tutorials and worked examples!

[alecloudenback]

Content added to this repository can also be highlighted on the JuliaActuary.org website (repository here: https://github.com/JuliaActuary/JuliaActuary.org)

Collated list of ideas for notebooks/tutorials:

• a comparison of traditional credibility apporaches with bayesian
• a bayesian multi-state decrement model
• actuarial examples of auto-diff
• [ ]