chore: take theme v3.1.0 - #631

chore: take theme v3.1.0#631

mmcky wants to merge 2 commits into

jb2QuantEcon/lecture-python-programming:jb2from

chore/theme-v3.1.0QuantEcon/lecture-python-programming:chore/theme-v3.1.0Copy head branch name to clipboard