add WebThreadPoolHandlerConfiguration

hippo4j-spring-boot/hippo4j-spring-boot-starter-adapter/hippo4j-spring-boot-starter-adapter-web/src/main/java/cn/hippo4j/springboot/starter/adapter/web/WebThreadPoolHandlerConfiguration.java

@@ -0,0 +1,7 @@
+package cn.hippo4j.springboot.starter.adapter.web;
+
+/**
+ * Web Thread Pool Handler Configuration
+ **/
+public class WebThreadPoolHandlerConfiguration {
+}