fix: enable peer discovery by default.

Author: Mateusz Czeladka

.env.docker-compose

@@ -109,7 +109,7 @@ CONTINUE_PARSING_ON_ERROR=true
 SYNC=true
 
 ## Peer Discovery
-PEER_DISCOVERY=false
+PEER_DISCOVERY=true
 
 ## Token Registry
 TOKEN_REGISTRY_ENABLED=false