[Improvement][Docker] Add tenant tip for quick start

docker/build/README.md

@@ -32,6 +32,8 @@ Access the Web UI: http://192.168.xx.xx:12345/dolphinscheduler
 
 The default username is `admin` and the default password is `dolphinscheduler123`
 
+> **Tip**: For quick start in docker, you can create a tenant named `ds` and associate the user `admin` with the tenant `ds`
+
 #### Or via Environment Variables **`DATABASE_HOST`** **`DATABASE_PORT`** **`DATABASE_DATABASE`** **`ZOOKEEPER_QUORUM`**
 
 You can specify **existing postgres and zookeeper service**. Example:

docker/build/README_zh_CN.md

@@ -32,6 +32,8 @@ $ docker-compose -f ./docker/docker-swarm/docker-compose.yml up -d
 
 默认的用户是`admin`，默认的密码是`dolphinscheduler123`
 
+> **提示**: 为了在docker中快速开始，你可以创建一个名为`ds`的租户，并将这个租户`ds`关联到用户`admin`
+
 #### 或者通过环境变量 **`DATABASE_HOST`** **`DATABASE_PORT`** **`ZOOKEEPER_QUORUM`** 使用已存在的服务
 
 你可以指定已经存在的 **`Postgres`** 和 **`Zookeeper`** 服务. 如下:

docker/kubernetes/dolphinscheduler/README.md

@@ -54,6 +54,8 @@ And then access the web: http://192.168.xx.xx:12345/dolphinscheduler
 
 The default username is `admin` and the default password is `dolphinscheduler123`
 
+> **Tip**: For quick start in docker, you can create a tenant named `ds` and associate the user `admin` with the tenant `ds`
+
 ## Uninstalling the Chart
 
 To uninstall/delete the `dolphinscheduler` deployment: