[DOC] Missing documents #124

Job	Run time
ruby-versions / Generate Ruby versions	4s
build (2.6 / ubuntu-latest)	22s
build (3.0 / macos-latest)	13s
build (2.5 / ubuntu-latest)	20s
build (2.4 / ubuntu-latest)	22s
build (3.0 / ubuntu-latest)	8s
build (3.1 / macos-latest)	13s
build (2.6 / macos-latest)	40s
build (2.7 / macos-latest)	25s
build (2.7 / ubuntu-latest)	23s
build (3.3 / macos-latest)	9s
build (3.1 / ubuntu-latest)	8s
build (head / ubuntu-latest)	7s
build (3.2 / macos-latest)	10s
build (3.3 / ubuntu-latest)	10s
build (3.2 / ubuntu-latest)	10s
build (3.4 / ubuntu-latest)	8s
build (head / macos-latest)	12s
build (3.4 / macos-latest)	10s
	4m 34s

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