DOC: Expanded Using a Docker Container section
- [x] closes #35345
- [ ] tests added / passed
- [ ] passes `black pandas`
- [ ] passes `git diff upstream/master -u -- "*.py" | flake8 --diff`
- [ ] whatsnew entry

Added Docker installation link, Docker commands, and PyCharm sections.
Thanks @alexhlim for the PR. test failure in Windows py37_np18 is unrelated.

```
INTERNALERROR> assert not 'pandas/tests/base/test_unique.py::test_unique_bad_unicode[idx_or_series_w_bad_unicode0]'
``` Thanks for the reply, @simonjayhawkins! Let me know if there are any revisions I need to do on my end to get these checks passing. restarted failed job No problem, @MarcoGorelli. Glad I could help! Thanks @alexhlim 