chore: Rework governance documentation and meta #79

Job	Run time
Lint	20s
Ruby 3.1 - macos-13	26s
Ruby 3.1 - ubuntu-20.04	13s
Ruby 3.2 - macos-13	24s
Ruby 3.2 - ubuntu-20.04	13s
Ruby 3.3 - macos-13	40s
Ruby head - macos-latest (optional)	12s
Ruby 3.3 - ubuntu-20.04	24s
Ruby head - ubuntu-latest (optional)	10s
Ruby 3.1 - macos-14	15s
Ruby truffleruby - ubuntu-20.04	31s
Ruby head - windows-latest (optional)	1m 40s
Ruby 3.1 - windows-2019	48s
Ruby 3.2 - macos-14	20s
Ruby 3.1 - ubuntu-22.04	11s
Ruby 3.2 - windows-2019	1m 39s
Ruby 3.3 - macos-14	20s
Ruby 3.2 - ubuntu-22.04	14s
Ruby 3.3 - windows-2019	3m 44s
Ruby 3.1 - macos-15	13s
Ruby 3.3 - ubuntu-22.04	27s
Ruby 3.2 - macos-15	17s
Ruby truffleruby - ubuntu-22.04	41s
Ruby 3.3 - macos-15	19s
Ruby 3.1 - ubuntu-24.04	13s
Ruby mswin - windows-2019	57s
Ruby ucrt - windows-2019	1m 0s
Ruby 3.1 - windows-2022	2m 28s
Ruby 3.2 - ubuntu-24.04	18s
Ruby 3.2 - windows-2022	1m 14s
Ruby 3.3 - ubuntu-24.04	19s
Ruby 3.3 - windows-2022	1m 36s
Ruby truffleruby - ubuntu-24.04	31s
Ruby mswin - windows-2022	1m 18s
Ruby ucrt - windows-2022	49s
Ruby mingw - windows-2022	56s
	26m 20s

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