[DOC] RDoc for additions #176

Job	Run time
ruby-versions / Generate Ruby versions	3s
ubuntu-20.04 2.3	55s
ubuntu-20.04 2.4	57s
ubuntu-20.04 2.5	1m 1s
ubuntu-20.04 2.6	1m 0s
ubuntu-20.04 2.7	56s
ubuntu-20.04 3.0	23s
ubuntu-20.04 3.1	30s
ubuntu-20.04 3.2	17s
ubuntu-20.04 head	22s
ubuntu-20.04 jruby	1m 6s
ubuntu-20.04 jruby-head	1m 8s
ubuntu-20.04 truffleruby	56s
ubuntu-20.04 truffleruby-head	56s
ubuntu-22.04 2.3	56s
ubuntu-22.04 2.4	53s
ubuntu-22.04 2.5	55s
ubuntu-22.04 2.6	56s
ubuntu-22.04 2.7	1m 2s
ubuntu-22.04 3.0	22s
ubuntu-22.04 3.1	23s
ubuntu-22.04 3.2	22s
ubuntu-22.04 head	23s
ubuntu-22.04 jruby	1m 10s
ubuntu-22.04 jruby-head	1m 7s
ubuntu-22.04 truffleruby	50s
ubuntu-22.04 truffleruby-head	1m 3s
macos-11 2.3	2m 11s
macos-11 2.4	2m 3s
macos-11 2.5	2m 2s
macos-11 2.6	2m 16s
macos-11 2.7	2m 1s
macos-11 3.0	34s
macos-11 3.1	38s
macos-11 3.2	37s
macos-11 head	35s
macos-11 jruby	1m 17s
macos-11 jruby-head	1m 22s
macos-11 truffleruby	1m 33s
macos-11 truffleruby-head	1m 38s
macos-12 2.3	2m 26s
macos-12 2.4	2m 45s
macos-12 2.5	2m 26s
macos-12 2.6	2m 51s
macos-12 2.7	2m 16s
macos-12 3.0	41s
macos-12 3.1	37s
macos-12 3.2	56s
macos-12 head	31s
macos-12 jruby	1m 1s
macos-12 jruby-head	1m 21s
macos-12 truffleruby	2m 8s
macos-12 truffleruby-head	1m 28s
windows-latest 2.3	2m 20s
windows-latest 2.4	2m 58s
windows-latest 2.5	3m 42s
windows-latest 2.6	3m 7s
windows-latest 2.7	2m 53s
windows-latest 3.0	1m 22s
windows-latest 3.1	1m 57s
windows-latest 3.2	2m 40s
windows-latest head	1m 10s
windows-latest mswin	1m 59s
ubuntu-latest jruby-9.1	1m 19s
ubuntu-latest jruby-9.2	1m 24s
ubuntu-latest jruby-9.3	1m 28s
	1h 29m 25s

Provide feedback