add websocket

Helius

2021-05-27 182c01b109ffb3b4be248c2e128835ace70eeae8

 src/main/java/com/xcong/excoin/ExcoinApplication.java

@@ -32,6 +32,6 @@

    @Override
    public void run(String... args) throws Exception {
//        webSocketServer.start();
        webSocketServer.start();
    }
}