Script improvements uwe after 2023 edition

I changed some explanations (e.g. trees), improved the beer dataset etc.

Please check the commits individually.

requested review from @chadhat

assigned to @oschmanf

added 1 commit

• ff2acab1 - increase overfitting in beer data

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added 14 commits

• ff2acab1...0e03f1af - 11 commits from branch master
• 6fc5622b - introduce matplotlib widgets
• f28d9ebd - fix alpha in some plots due to issues when presenting
• e1ff9f25 - increase overfitting in beer data

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added 3 commits

• 4af8ce86 - introduce matplotlib widgets + improve decision tree text
• 61fd7dc0 - fix alpha in some plots due to issues when presenting
• 26c8feca - increase overfitting in beer data

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changed target branch from master to dev

added 1 commit

• 73b433ee - improved regession data set and script

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added 1 commit

• ed36a536 - improved explanation ensemble stacking

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@chadhat @oschmanf

@chadhat @oschmanf ping!

added 2 commits

• 50d21845 - add pre-commit and clean notebooks before merge
• 6857d646 - small fixes

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