refactor(tests): split up test suites, update docs #911

Job	Run time
build-splicer (windows-latest)	13s
build-splicer (ubuntu-latest)	10s
lint	49s
build (weval)	7s
build (debug)	10s
build (release)	15s
test (23.10.0, macos-latest, release)	1m 4s
test-example	43s
test (23.10.0, windows-latest, release)	2m 13s
test (23.10.0, macos-latest, weval)	2m 54s
test (23.10.0, macos-latest, debug)	2m 50s
test (23.10.0, windows-latest, weval)	4m 37s
test (23.10.0, windows-latest, debug)	2m 48s
test (23.10.0, ubuntu-latest, weval)	2m 15s
test (23.10.0, ubuntu-latest, debug)	1m 35s
test (23.10.0, ubuntu-latest, release)	1m 23s
	24m 6s

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