docs/config: document relay options

License: MIT
Signed-off-by: vyzo <vyzo@hackzen.org>

docs/config.md

@@ -228,3 +228,9 @@ improvement, as well as a reduction in memory usage.
 - `DisableNatPortMap`
 Disable NAT discovery.
 
+- `DisableRelay`
+Disables the p2p-circuit relay transport.
+
+- `EnableRelayHop`
+Enables HOP relay for the node. If this is enabled, the node will act as
+an intermediate (Hop Relay) node in relay circuits for connected peers.