docs: Improve API doc groups and polish docstrings #238

Job	Run time
PR title check	6s
Docstrings checks / Docstrings checks	21s
Code checks / Actions lint check	29s
Code checks / Spell check	5s
Doc checks / Doc checks / Docs check	1m 29s
Code checks / Type check / Type check (3.11)	14s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.14)	45s
Tests / Unit tests / Unit tests (windows-latest, 3.13)	57s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.12)	44s
Code checks / Type check / Type check (3.14)	21s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.13)	41s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.11)	40s
Code checks / Type check / Type check (3.13)	10s
Tests / Unit tests / Unit tests (windows-latest, 3.11)	56s
Tests / Unit tests / Unit tests (windows-latest, 3.12)	1m 51s
Code checks / Lint check / Lint check (3.11)	10s
Code checks / Lint check / Lint check (3.12)	15s
Tests / Unit tests / Unit tests (windows-latest, 3.14)	53s
Code checks / Type check / Type check (3.12)	16s
Code checks / Lint check / Lint check (3.13)	12s
Code checks / Lint check / Lint check (3.14)	10s
Tests / Integration tests / Integration tests (ubuntu-latest, 3.14)	1m 30s
Tests / Integration tests / Integration tests (ubuntu-latest, 3.11)	1m 34s
	14m 49s

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