implement _display_ method for pm.Model for builtin marimo support

[williambdean]

Description

Marimo notebooks use the _display_ method to render objects in their notebooks. This adds a _display_ method to pm.Model

Reference:

• https://docs.marimo.io/guides/integrating_with_marimo/displaying_objects/

Related Issue

• Closes #
• Related to #

Checklist

• Checked that the pre-commit linting/style checks pass
• Included tests that prove the fix is effective or that the new feature works
• Added necessary documentation (docstrings and/or example notebooks)
• If you are a pro: each commit corresponds to a relevant logical change

Type of change

• New feature / enhancement
• Bug fix
• Documentation
• Maintenance
• Other (please specify):

---

📚 Documentation preview 📚: https://pymc--7830.org.readthedocs.build/en/7830/

[williambdean]

Example usage in marimo:

[williambdean]

Any thoughts on this @ericmjl since you were involved here: marimo-team/marimo#4203

[codecov]

Codecov Report

Attention: Patch coverage is 50.00000% with 2 lines in your changes missing coverage. Please review.

Project coverage is 92.91%. Comparing base (f4bdc6c) to head (02ffb7e).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
pymc/model/core.py	50.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #7830      +/-   ##
==========================================
- Coverage   92.92%   92.91%   -0.01%     
==========================================
  Files         107      107              
  Lines       18279    18282       +3     
==========================================
+ Hits        16986    16987       +1     
- Misses       1293     1295       +2     

Files with missing lines	Coverage Δ
pymc/model/core.py	93.48% <50.00%> (-0.25%)	⬇️

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[ericmjl]

I'm all-in on this one!