change(doc): Refactor user & dev docs #611

Job	Run time
Generate crates matrix	10s
Check crates matrix	2s
Build zebrad crate	29m 34s
Build zebra-utils crate	17m 2s
Build zebra-test crate	1m 32s
Build zebra-state crate	21m 49s
Build zebra-script crate	4m 8s
Build zebra-scan crate	19m 6s
Build zebra-rpc crate	23m 0s
Build zebra-node-services crate	3m 25s
Build zebra-network crate	7m 5s
Build zebra-consensus crate	17m 28s
Build zebra-chain crate	4m 50s
Build tower-fallback crate	1m 2s
Build tower-batch-control crate	12m 45s
Open or update issues for building crates individually failures	0s
	2h 42m 58s

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