Overconfident NNs

[nipunbatra]

Create a notebook inspired by: https://jramkiss.github.io/2020/07/29/overconfident-nn/

Starter code: https://github.com/nipunbatra/pml-teaching/blob/master/notebooks/cats-dogs.ipynb

Use: Hamiltorch and or Laplace Redux for getting epistemic uncertainty.

Also, show model trained on MNIST and performance on not-MNIST or fashion-MNIST.

Also, frog and no frog.