docs: add veadk web cli description (#11)

Author: yaozheng-fang

README.md

@@ -9,6 +9,8 @@
 
 An open-source kit for agent development, integrated the powerful capabilities of Volcengine.
 
+For more details, see our [documents](https://volcengine.github.io/veadk-python/).
+
 ## Installation
 
 We use `uv` to build this project ([how-to-install-uv](https://docs.astral.sh/uv/getting-started/installation/)).

docs/docs/cli.md

@@ -35,8 +35,14 @@ veadk deploy
 可以通过`adk web`或`veadk studio`来启动Web页面，运行智能体：
 
 ```bash
+# basic usage:
 adk web
-# or
+
+# if you need to use long-term memory, you should use `veadk web`.
+# if the `session_service_uri` is not set, it will use `opensearch` as your long-term memory backend
+veadk web --session_service_uri="mysql+pymysql://{user}:{password}@{host}/{database}"
+
+# or, use our own web:
 veadk studio
 ```