docs: Add guide "HttpCrawler with custom parser" #37

Job	Run time
Code checks / Spell check	5s
PR title check	6s
Code checks / Actions lint check	29s
Code checks / Lint check / Lint check (3.12)	25s
Doc checks / Doc checks / Docs check	1m 42s
Code checks / Lint check / Lint check (3.13)	27s
Code checks / Lint check / Lint check (3.10)	22s
Code checks / Lint check / Lint check (3.14)	28s
Code checks / Lint check / Lint check (3.11)	22s
Code checks / Type check / Type check (3.14)	45s
Code checks / Type check / Type check (3.13)	48s
Code checks / Type check / Type check (3.10)	43s
Code checks / Type check / Type check (3.12)	49s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.10)	4m 53s
Tests / Unit tests / Unit tests (windows-latest, 3.10)	7m 16s
Tests / Unit tests / Unit tests (macos-latest, 3.10)	10m 41s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.13)	4m 33s
Tests / Unit tests / Unit tests (macos-latest, 3.13)	5m 15s
Tests / Unit tests / Unit tests (windows-latest, 3.14)	6m 4s
Tests / Unit tests / Unit tests (macos-latest, 3.11)	5m 33s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.11)	4m 22s
Tests / Unit tests / Unit tests (macos-latest, 3.12)	7m 9s
Tests / Unit tests / Unit tests (windows-latest, 3.11)	7m 47s
Tests / Unit tests / Unit tests (windows-latest, 3.12)	8m 19s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.14)	3m 43s
Tests / Unit tests / Unit tests (windows-latest, 3.13)	5m 43s
Code checks / Type check / Type check (3.11)	42s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.12)	5m 1s
Tests / Unit tests / Unit tests (macos-latest, 3.14)	7m 26s
	1h 41m 58s

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