Fix categorical init bug

What's Changed

• added documentation to existing experiment notebooks by @allepalma in #5
• Update README.md by @allepalma in #11
• v0.1.2 Fix categorical initialization bug by @jan-engelmann in #15
• Thanks to @patricks-lab and @stephandooper for finding the init bug

New Contributors

• @allepalma made their first contribution in #5

Full Changelog: v0.1.1...v0.1.2

v0.1.1 Add optional dependencies

Enable:

pip install "mixmil[experiments,test]"

to install experiment and test dependencies.

Contributors:
@jan-engelmann

v0.1.0 Attention-based Multi-instance Mixed Models

• Add model
• Add simulation and histopathology experiments
• Push package to pypi

Contributors:
@jan-engelmann @allepalma @fpcasale