tests

docs: update developer guide for optional manifest feature #104

Job	Run time
yarn-lockfile-check / lockfile-check	11s
linux-unit-tests / determine-node-versions	5s
linux-unit-tests / prevent-typescript-dependency / prevent-typescript-dependency	26s
linux-unit-tests / linux-unit-tests (20)	34s
linux-unit-tests / linux-unit-tests (25)	28s
linux-unit-tests / linux-unit-tests (24.13.0)	33s
linux-unit-tests / linux-unit-tests (22)	33s
windows-unit-tests / determine-node-versions	7s
nuts (ubuntu-latest) / yarn test:nuts	48s
nuts (windows-latest) / yarn test:nuts	7m 10s
windows-unit-tests / windows-unit-tests (25)	2m 5s
windows-unit-tests / windows-unit-tests (24.13.0)	2m 18s
windows-unit-tests / windows-unit-tests (20)	1m 55s
windows-unit-tests / windows-unit-tests (22)	2m 35s
	19m 48s

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