feat(healthcheck): add healthcheck module with liveness and readiness probes #998

Job	Run time
test-mcl	17s
lint / lint	21s
ci / post-initial-comment	7s
ci / Generate Matrix of Matrices	25s
ci / Generate Matrix	1m 41s
ci / Merge matrices	18s
ci / nix \| x86_64-linux	15s
ci / nix \| x86_64-darwin	1m 4s
ci / cachix \| x86_64-linux	18s
ci / cachix \| x86_64-darwin	29s
ci / cachix \| aarch64-darwin	1m 11s
ci / cachix \| x86_64-linux	18s
ci / nix \| x86_64-linux	12s
ci / nix-eval-jobs \| x86_64-linux	12s
ci / nix-eval-jobs \| aarch64-darwin	1m 10s
ci / nix-eval-jobs \| x86_64-linux	16s
ci / nix-fast-build \| x86_64-darwin	1m 6s
ci / nix-fast-build \| x86_64-linux	12s
ci / nix-fast-build \| x86_64-linux	12s
ci / nix-eval-jobs \| x86_64-darwin	29s
ci / nix-fast-build \| aarch64-darwin	32s
ci / nix \| aarch64-darwin	1m 6s
ci / Final Results	27s
	12m 38s

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