!317 集成websocket功能

* add 增加 ruoyi-common-websocket 模块 支持token鉴权 支持分布式集群消息同步

ruoyi-admin/src/main/resources/application.yml

@@ -280,3 +280,11 @@ management:
       show-details: ALWAYS
     logfile:
       external-file: ./logs/sys-console.log
+
+--- # websocket
+websocket:
+  enabled: true
+  # 路径
+  path: /websocket
+  # 设置访问源地址
+  allowedOrigins: '*'