add demo environment info

Signed-off-by: 周鹏飞@yunify <pengfeizhou@yunify.com>

README.md

@@ -43,6 +43,10 @@
 
 [![KubeSphere](https://pek3b.qingstor.com/kubesphere-docs/png/20191112093503.png)](https://youtu.be/u5lQvhi_Xlc)
 
+## Demo Environment
+
+Using account `demo1 / Demo123` to log in to [Demo environment](https://demo.kubesphere.io/), this account has been only granted viewer access.
+
 ## Features
 
 KubeSphere provides an easy-to-use console with the awesome user experience that allows you to quickly get started with a container management platform. KubeSphere provides and supports following core features:
@@ -50,14 +54,14 @@ KubeSphere provides an easy-to-use console with the awesome user experience that
 
 - Workload management
 - Service mesh (Istio-based)
-- DevOps
-- Source to Image
+- DevOps (CI/CD Pipeline)
+- Source to Image, Binary to Image
 - Multi-tenant management
 - Multi-dimensional and Multi-tenant Monitoring, Logging, Alerting, Notification
 - Service and network management
-- Application template and repository
-- Infrastructure management, image registry management
-- Integrate Harbor and GitLab
+- Application Store and Application lifecycle management
+- Node and Storage Class management, image registry management
+- Integrate Harbor, GitLab, SonarQube
 - LB controller for Kubernetes on bare metal ([Porter](https://github.com/kubesphere/porter)), [cloud LB plugin](https://github.com/yunify/qingcloud-cloud-controller-manager)
 - Support GPU node
 

README_zh.md

@@ -43,6 +43,10 @@ KubeSphere 已大规模服务于社区用户，广泛地应用在以容器为中
 
 [![KubeSphere](https://pek3b.qingstor.com/kubesphere-docs/png/20191112093503.png)](https://youtu.be/u5lQvhi_Xlc)
 
+## 体验环境
+
+使用体验账号 `demo1 / Demo123` 登录 [Demo 环境](https://demo.kubesphere.io/)，该账号仅授予了 viewer 权限，建议自行安装体验完整的管理功能。
+
 ## 核心功能
 
 - Kubernetes 资源管理：纳管多种类型的 K8s 资源，提供易用友好的向导式 UI