refactor(tests): split up test suites, update docs #905

Job	Run time
lint	1m 0s
build-splicer (windows-latest)	14s
build-splicer (ubuntu-latest)	6s
build (release)	8s
build (weval)	7s
build (debug)	8s
test-example	34s
test (23.10.0, ubuntu-latest, debug)	6m 55s
test (23.10.0, windows-latest, weval)	12m 14s
test (23.10.0, windows-latest, debug)	9m 6s
test (23.10.0, windows-latest, release)	7m 10s
test (23.10.0, macos-latest, release)	7m 39s
test (23.10.0, ubuntu-latest, weval)	8m 51s
test (23.10.0, macos-latest, weval)	14m 12s
test (23.10.0, macos-latest, debug)	6m 6s
test (23.10.0, ubuntu-latest, release)	6m 8s
	1h 20m 38s

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