DOC: Highlight pre-commit section
- [x] closes #37358 
- [x] passes `black pandas`
- [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff`

~~I noticed that https://dev.pandas.io/ is not up to date, is this intended?~~

it seems like this is intentional and that latest docs from `master` are at https://pandas.pydata.org/docs/dev/, see #37248. looks fine to me. @MarcoGorelli if you can have a look see Thanks @MarcoGorelli , applied your suggestions. lgtm. cc @MarcoGorelli merge when ready Thanks @hongshaoyang 