refactor(cli): split cloud services into a module directory (#1157) - #1168

refactor(cli): split cloud services into a module directory (#1157)#1168

sdairs wants to merge 4 commits into

claude/1156-postgres-cloudclient-wrappersClickHouse/clickhousectl:claude/1156-postgres-cloudclient-wrappersfrom

claude/1157-split-cloud-servicesClickHouse/clickhousectl:claude/1157-split-cloud-servicesCopy head branch name to clipboard