[doc] Improve the Contribution Documentation.

.github/labeler.yml

@@ -108,3 +108,8 @@ monitoring-template:
   - changed-files:
       - any-glob-to-any-file:
           - "manager/src/main/resources/define/**/*"
+
+HIP:
+  - changed-files:
+      - any-glob-to-any-file:
+        - 'hip/**'

CONTRIBUTING.md

@@ -104,6 +104,9 @@ git checkout master
 git pull upstream master
 ```
 
+### HertzBeat Improvement Proposal (HIP)
+If you have major new features(e.g., support metrics push gateway, support logs monitoring), you need to write a design document known as a HertzBeat Improvement Proposal (HIP). Before starting to write a HIP, make sure you follow the process [here](https://github.com/apache/hertzbeat/tree/master/hip).
+
 ### How to become a Committer?  
 
 With the above steps, you are a contributor to HertzBeat. Repeat the previous steps to stay active in the community, keep at, you can become a Committer!    
@@ -240,6 +243,9 @@ git checkout master
 git pull upstream master
 ```
 
+### HertzBeat 改进提案 (HIP)
+如果您有重大的新特性（例如，支持指标推送网关，日志监控等），您需要编写一个被称为 HertzBeat 改进提案（HertzBeat Improvement Proposal，HIP）的设计文档。在开始编写 HIP 之前，请确保您遵循了[这里](https://github.com/apache/hertzbeat/tree/master/hip)的流程。
+
 ### 如何成为Committer？  
 
 通过上述步骤，您就是 HertzBeat 的贡献者了。重复前面的步骤，在社区中保持活跃，坚持下去，您就能成为 Committer！  

home/docs/others/contributing.md

@@ -108,6 +108,9 @@ git checkout master
 git pull upstream master
 ```
 
+### HertzBeat Improvement Proposal (HIP)
+If you have major new features(e.g., support metrics push gateway, support logs monitoring), you need to write a design document known as a HertzBeat Improvement Proposal (HIP). Before starting to write a HIP, make sure you follow the process [here](https://github.com/apache/hertzbeat/tree/master/hip).
+
 ### How to become a Committer?
 
 With the above steps, you are a contributor to HertzBeat. Repeat the previous steps to stay active in the community, keep at, you can become a Committer!