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fix(docs): render the repository-structure tree as a tree #120

Job	Run time
governance / Live Actions policy (credentialed advisory)	4m 41s
governance / Allowlist Preflight	4m 41s
governance / Trusted-base reduction policy	4m 41s
governance / Language / package anti-pattern policy	4m 41s
governance / Security policy checks	4m 41s
governance / Exemption ratchet	4m 41s
governance / Actions lockfile verify	4m 41s
governance / Guix packaging policy (Nix retired)	4m 41s
governance / Code quality + docs	4m 41s
governance / Debt ratchet	4m 41s
governance / Workflow security linter	4m 41s
governance / Check Workflow Staleness	4m 41s
governance / Well-Known (RFC 9116 + RSR)	4m 41s
governance / Licence consistency	4m 41s
governance / Validate Hypatia Baseline	1s
	1h 5m 35s