[WIP] bar/hist mode

[tpvasconcelos]

Addresses #194

---

📚 Documentation preview 📚: https://ridgeplot--208.org.readthedocs.build/en/208/

[github-actions]

⚠️ Missing changelog entry ⚠️

Please add an entry to the changelog in docs/reference/changelog.md for this PR.
The entry should be in the following format:

- Description of the change ({gh-pr}`208`)

If you don't think a changelog entry is necessary for this change, you can add a skip news label to this PR.

[codecov]

Codecov Report

Attention: Patch coverage is 63.33333% with 11 lines in your changes missing coverage. Please review.

Project coverage is 91.56%. Comparing base (0587745) to head (abf105e).

Files with missing lines	Patch %	Lines
src/ridgeplot/_figure_factory.py	69.23%	4 Missing and 4 partials ⚠️
src/ridgeplot/_ridgeplot.py	25.00%	2 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #208      +/-   ##
==========================================
- Coverage   93.79%   91.56%   -2.23%     
==========================================
  Files          10       10              
  Lines         403      427      +24     
  Branches       50       56       +6     
==========================================
+ Hits          378      391      +13     
- Misses         21       27       +6     
- Partials        4        9       +5     

Flag	Coverage Δ
combined-src	91.10% <63.33%> (-2.20%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.