docs: adopt docs-template/ skeleton from rsr-template-repo#75 (#28) #26

Job	Run time
governance / Language / package anti-pattern policy	5s
governance / Security policy checks	5s
governance / Trusted-base reduction policy	5s
governance / Guix primary / Nix fallback policy	5s
governance / Code quality + docs	5s
governance / Workflow security linter	5s
governance / Validate Hypatia baseline	5s
governance / Well-Known (RFC 9116 + RSR)	5s
	40s

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