Added NETWORK environment variable to btcd and ltcd services

docker/docker-compose.yml

@@ -22,6 +22,7 @@ services:
         environment:
           - DEBUG
           - MINING_ADDRESS
+          - NETWORK
         entrypoint: ["./start-btcd.sh"]
 
     btcctl:
@@ -53,6 +54,7 @@ services:
         environment:
           - DEBUG
           - MINING_ADDRESS
+          - NETWORK
         entrypoint: ["./start-ltcd.sh"]
 
     ltcctl: