docs: add Project Setup section to Developer Guide #1755

Job	Run time
Test without ESLint Stylistic	1m 15s
Lint	47s
Test (20, 9)	1m 17s
Test (21, 9)	1m 19s
Test (18, 9)	1m 22s
Test (lts/*, 9)	1m 14s
Test with typescript-eslint v7	1m 16s
Test (18, 8)	1m 27s
	9m 57s

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