docs: restore v2.5 docs snapshot and add missing v3.0 versioned docs … #200

Job	Run time
Docstrings checks / Docstrings checks	15s
Code checks / Spell check	7s
Code checks / Actions lint check	29s
Doc checks / Doc checks / Docs check	1m 17s
Code checks / Lint check / Lint check (3.11)	9s
Code checks / Lint check / Lint check (3.14)	12s
Code checks / Lint check / Lint check (3.13)	12s
Code checks / Type check / Type check (3.14)	15s
Code checks / Type check / Type check (3.11)	10s
Tests	0s
Code checks / Lint check / Lint check (3.12)	10s
Code checks / Type check / Type check (3.12)	13s
Code checks / Type check / Type check (3.13)	13s
Beta release	0s
Doc release / Release docs	1m 48s
	5m 30s

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