docs: Fix docs check list items

[Kevin Klein (kklein)]

Motivation

Before

After

Changes

• Added whitespace

[Copilot]

Pull request overview

Adds blank lines between bullet items in docstrings so they render as a proper Markdown list in the generated docs, instead of being collapsed into a single paragraph.

Changes:

• Inserted blank lines before each - bullet and before the trailing paragraph in the check argument docstring across all column type modules.

Reviewed changes

Copilot reviewed 13 out of 13 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
dataframely/columns/_base.py	Add blank lines between bullets in check docstring.
dataframely/columns/any.py	Same docstring formatting fix.
dataframely/columns/array.py	Same docstring formatting fix.
dataframely/columns/categorical.py	Same docstring formatting fix.
dataframely/columns/datetime.py	Same fix applied to all 4 __init__ docstrings.
dataframely/columns/decimal.py	Same docstring formatting fix.
dataframely/columns/enum.py	Same docstring formatting fix.
dataframely/columns/float.py	Same docstring formatting fix.
dataframely/columns/integer.py	Same docstring formatting fix.
dataframely/columns/list.py	Same docstring formatting fix.
dataframely/columns/object.py	Same docstring formatting fix.
dataframely/columns/string.py	Same docstring formatting fix.
dataframely/columns/struct.py	Same docstring formatting fix.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (e6ebab1) to head (dfe9c9c).

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #340   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           56        56           
  Lines         3404      3404           
=========================================
  Hits          3404      3404           

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[Oliver Borchert (borchero)]

Thank you!