Add README for deploy test (#7837)

Signed-off-by: zhuwenxing <wenxing.zhu@zilliz.com>

tests/python_client/deploy/README.md

@@ -1,6 +1,6 @@
 
 
-## overview
+## Overview
 To test deployment by docker-compose(Both standalone and cluster)
 
 * re-install milvus to check data persistence
@@ -19,7 +19,7 @@ To test deployment by docker-compose(Both standalone and cluster)
     6. Build index
     7. Search
 
-## project structure
+## Project structure
 ```
 .
 ├── README.md
@@ -38,7 +38,7 @@ To test deployment by docker-compose(Both standalone and cluster)
 └── run.sh # script to run all tasks
 ```
 
-## usage
+## Usage
 Make sure you have installed `docker`,`docker-compose` and `pymilvus`!
 For different version, you should modify the value of `latest_tag`, `latest_rc_tag` and `Release`. Password of root is needed for deleting volumes dir.
 
@@ -55,4 +55,13 @@ run all tasks
 ```bash
 $ bash run.sh -p ${Password}
 # Password, the password of root"
-````
+```
+
+## Integrate deploy test into CI
+Provides a way to periodically run docker-compose deployment tests through GitHub action：[deploy-test](https://github.com/milvus-io/milvus/blob/master/.github/workflows/deploy-test.yaml)
+
+- [x] Parallel testing for four deployment scenarios
+- [x] Upload logs to artifacts for further debug
+- [x] Email notification for test failure
+- [ ] Support helm deployment tests
+- [ ] Cover more detail information in email notification