增加扩展设置元数据的功能

discovery-springcloud-example-service/src/main/java/com/nepxion/discovery/plugin/example/service/context/MyApplicationContextInitializer.java

 package com.nepxion.discovery.plugin.example.service.context;
 
+/**
+ * <p>Title: Nepxion Discovery</p>
+ * <p>Description: Nepxion Discovery</p>
+ * <p>Copyright: Copyright (c) 2017-2050</p>
+ * <p>Company: Nepxion</p>
+ * @author Haojun Ren
+ * @version 1.0
+ */
+
 import org.springframework.boot.web.servlet.context.AnnotationConfigServletWebServerApplicationContext;
 import org.springframework.context.ApplicationContextInitializer;
 import org.springframework.context.ConfigurableApplicationContext;