expose ws port for testnet (#428)

* expose ws port

* include jsonrpc and ws docs

* Apply suggestions from code review

Co-authored-by: Federico Kunze <31522760+fedekunze@users.noreply.github.com>

docker-compose.yml

@@ -8,6 +8,7 @@ services:
       - "26656-26657:26656-26657"
       - "1317:1317"
       - "8545:8545"
+      - "8546:8546"
     environment:
       - ID=0
       - LOG=${LOG:-emintd.log}
@@ -25,6 +26,7 @@ services:
       - "26659-26660:26656-26657"
       - "1318:1317"
       - "8546:8545"
+      - "8546:8546"
     environment:
       - ID=1
       - LOG=${LOG:-emintd.log}
@@ -45,6 +47,7 @@ services:
       - "26661-26662:26656-26657"
       - "1319:1317"
       - "8547:8545"
+      - "8546:8546"
     volumes:
       - ./build:/ethermint:Z
     networks:
@@ -62,6 +65,7 @@ services:
       - "26663-26664:26656-26657"
       - "1320:1317"
       - "8548:8545"
+      - "8546:8546"
     volumes:
       - ./build:/ethermint:Z
     networks: