doc: add an umbrella page for CS Filecoin services #12432

Job	Run time
cargo-publish-dry-run	7m 16s
Build Ubuntu	7m 14s
Build MacOS	3m 24s
Calibnet stateless mode check	2m 18s
Wallet tests	5m 13s
Calibnet check	4m 28s
Forest CLI checks	5m 13s
State migrations	4m 56s
Calibnet kademlia checks	1m 46s
Calibnet no discovery checks	5m 14s
Snapshot export checks	5m 13s
Calibnet eth mapping check	5m 13s
db-migration-checks	5m 14s
db-migration-checks-car-db	5m 13s
Bootstrap checks - Forest	3m 29s
Bootstrap checks - Lotus	4m 13s
Calibnet RPC checks	5m 19s
Devnet checks	5m 18s
Devnet Curio checks	0s
Calibnet snapshot parity checks	0s
Integration tests status	1s
	1h 26m 15s

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