build: restore `ng-dev` script #2547

Job	Run time
build-e2e-windows	18s
lint	2m 1s
build	31s
e2e-windows	-1s
Browser Compatibility Tests	0s
publish-snapshots	0s
e2e	0s
test	0s
e2e-package-managers	0s
e2e-snapshots	0s
	2m 49s

Provide feedback