Update textbook description to include AI

Update index with course info and supplementary materials

Add errata PDF and link to index page

Update index.md

Add book cover image and update print copy info

Update book print info and quiz dataset reference

Update notation in quiz for clarity and consistency

Update notation to boldface vectors in quizzes

Update quiz wording for mathematical consistency

Update neural network notebook and slides for clarity

Standardize notation in self-assessment quizzes

Fix typo in quiz: 'weakly lazy' to 'lazy'

Update chapter and metadata in roch-mmids-rwmc-autoquiz.ipynb

Update notebook for clarity and minor corrections

Standardize probability notation in quizzes