Replace `markdownextradata` with `macros` custom macros support
-rw-r--r-- 40 .gitattributes
drwxr-xr-x - .github
-rw-r--r-- 658 .gitignore
-rw-r--r-- 24486 LICENSE
-rw-r--r-- 579 README.md
drwxr-xr-x - docs
-rw-r--r-- 6387 mkdocs.yml
drwxr-xr-x - overrides
-rw-r--r-- 133 requirements.txt
drwxr-xr-x - snippets