Add notice about archiving this repository

LinuxSuRen · web-flow · commit 042430c8a41a · 2021-11-23T10:46:35.000+08:00
diff --git a/README.md b/README.md
@@ -1,3 +1,6 @@
+> **_NOTICE:_**  Give [some historic reasons](https://github.com/kubesphere/devops-java-sample/issues/76), this repo has been archived. Please move forward to [devops-maven-sample](https://github.com/kubesphere/devops-maven-sample) if you want to help us improve the sample project.
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 ## Repo Introduction
 
 > English | [中文](README_zh.md)
