Change plot layout for available shapes in the docs

[stefmolin]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.49%. Comparing base (bf1f664) to head (951d2a0).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #268   +/-   ##
=======================================
  Coverage   98.49%   98.49%           
=======================================
  Files          60       60           
  Lines        1922     1922           
  Branches      112      112           
=======================================
  Hits         1893     1893           
  Misses         26       26           
  Partials        3        3           

Files with missing lines	Coverage Δ
src/data_morph/data/dataset.py	72.15% <ø> (ø)
src/data_morph/morpher.py	100.00% <ø> (ø)
src/data_morph/shapes/circles.py	94.00% <ø> (ø)
src/data_morph/shapes/factory.py	100.00% <100.00%> (ø)