Add docs about optimizing performance in large monorepos (#1222) #2007

Job	Run time
build docs	20s
build (windows-latest, node 20, npm 11)	5m 36s
build (windows-latest, node 14, npm 8)	4m 34s
build (ubuntu-latest, node 14, npm 8)	1m 41s
build (ubuntu-latest, node 14, npm 6)	1m 25s
build (ubuntu-latest, node 20, npm 11)	58s
	14m 34s

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