feat: `download-genesis` command #2425

Job	Run time
goreleaser-check	6s
branch_name	1s
lint / golangci-lint	1m 40s
lint / yamllint	11s
markdown-linter / markdown-link-check	2m 19s
test / test	16m 4s
markdown-linter / markdown-lint	13s
test / test-coverage	5m 59s
test / test-race	8m 6s
test / test-short	2m 44s
lint / hadolint / hadolint	13s
version_bump	0s
goreleaser	0s
	37m 36s

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