feat: simplify return table and list if possible

[machow]

Addresses #389 and #390 by simplifying table output for Returns, Raises, and Yields if their results are not given a name. E.g. the example below would

produces a table with type and description

"""
...

Raises
------
LinAlgException
    If the matrix is not numerically invertible.
"""

produces a table with name, type, and description

"""
...

Raises
------
some_err: LinAlgException
    If the matrix is not numerically invertible.
"""

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✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.53%. Comparing base (8d8252f) to head (a4025b4).
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Additional details and impacted files

@@            Coverage Diff             @@
##             main     #416      +/-   ##
==========================================
+ Coverage   89.25%   89.53%   +0.28%     
==========================================
  Files          40       40              
  Lines        3163     3183      +20     
==========================================
+ Hits         2823     2850      +27     
+ Misses        340      333       -7     

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[machow]

Rendered the snapshot in quarto and it LGTM!

Note that the returns isn't shortened, since I think they all have to not have a name in order to simplify the result