feat(docs): Update voting docs, add cddl validation #450

Job	Run time
ci / discover	15s
ci / check / .+check-markdown	1m 1s
ci / check / .+check-spelling	45s
ci / check / ./docs/src/architecture/08_concepts/catalyst_voting/cddl+check-cddl	26s
ci / check / ./docs/src/architecture/08_concepts/immutable_ledger/cddl+check-cddl	26s
ci / check / ./rust+check	56s
ci / check / ./rust+check-builder-src-cache	35s
ci / build / ./rust+build	45s
ci / build / ./rust/c509-certificate+build-wasm	1m 7s
ci / build / ./rust/cbork+build	42s
ci / package	0s
ci / test	0s
ci / publish	0s
ci / release	0s
ci / docs / ./docs+docs	45s
ci / final	3s
ci / deploy	0s
	7m 46s

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