f Re-add crate link

Author: tnull

lightning-rapid-gossip-sync/src/lib.rs

@@ -81,6 +81,10 @@ mod error;
 mod processing;
 
 /// The main Rapid Gossip Sync object.
+///
+/// See [crate-level documentation] for usage.
+///
+/// [crate-level documentation]: crate
 pub struct RapidGossipSync<NG: Deref<Target=NetworkGraph<L>>, L: Deref>
 where L::Target: Logger {
 	network_graph: NG,