docs: Add Parsel and Crawlee Parsel guides (#577) #206

Job	Run time
Type check / Type check (3.10)	25s
Type check / Type check (3.13)	24s
Type check / Type check (3.11)	23s
Lint check / Lint check (3.12)	10s
Lint check / Lint check (3.13)	7s
Lint check / Lint check (3.10)	12s
Type check / Type check (3.12)	25s
Lint check / Lint check (3.11)	8s
Unit tests / Unit tests (ubuntu-latest, 3.13)	20s
Unit tests / Unit tests (ubuntu-latest, 3.10)	25s
Unit tests / Unit tests (windows-latest, 3.11)	44s
Unit tests / Unit tests (ubuntu-latest, 3.12)	22s
Unit tests / Unit tests (windows-latest, 3.13)	53s
Unit tests / Unit tests (windows-latest, 3.12)	46s
Unit tests / Unit tests (windows-latest, 3.10)	43s
Unit tests / Unit tests (ubuntu-latest, 3.11)	22s
Integration tests / Integration tests (3.10)	9m 35s
Integration tests / Integration tests (3.13)	11m 5s
Prepare release metadata	0s
Integration tests / Approve integration tests for PRs from forks	0s
Integration tests / Integration tests for PRs from forks	0s
Update changelog	0s
Publish to PyPI	0s
	27m 29s

Provide feedback