Initial commit: five Maven reactors and docs only

Track maven-cloudwalk-cloud, maven-cw-elevator-application,
maven-intelligent-cwoscomponent, maven-ninca-crk, maven-ninca-qk-alarm,
and docs/. Other workspace paths ignored via .gitignore.

Made-with: Cursor

maven-cloudwalk-cloud/cloudwalk-common-service/src/main/java/cn/cloudwalk/service/package-info.java

@@ -0,0 +1,6 @@
+/**
+ * 云从公共 Web/Service 横切能力：参数校验 AOP、校验器与 Spring 集成等。
+ * <p>
+ * 典型用法：在依赖了 {@code cloudwalk-common-result} 的应用中注册切面与 {@link org.springframework.validation.Validator}。
+ */
+package cn.cloudwalk.service;