Update README.md

README.md

@@ -1,12 +1,12 @@
 [![Build Status](https://travis-ci.org/imzhenyu/rDSN.dist.service.svg?branch=master)](https://travis-ci.org/imzhenyu/rDSN.dist.service)
 
-This repo contains the following framework plugins for rDSN.
+This repo contains the following framework plugins for rDSN, and you may go through [tutorial](https://github.com/Microsoft/rDSN/wiki/Tutorial:-one-box-cluster) to have a try.
 
-| Pluggable modules | Description | Demo |
-|--------|-------------|------|
-| [dsn.dist.service.stateless](https://github.com/imzhenyu/rDSN.dist.service/tree/master/src/app_daemon)      | scale-out and fail-over for stateless services (e.g., HA micro-services) | todo |
-| [dsn.dist.service.stateful.type1](https://github.com/imzhenyu/rDSN.dist.service/tree/master/src/replica_server) | scale-out, replicate, and fail-over for stateful services (e.g., Spanner) | todo |
-| [dsn.dist.service.meta_server](https://github.com/imzhenyu/rDSN.dist.service/tree/master/src/meta_server)    | membership, load balance, and machine pool management for the above dist.service.xxx modules | todo |
+| Pluggable modules | Description | 
+|--------|-------------|
+| [dsn.dist.service.stateless](https://github.com/imzhenyu/rDSN.dist.service/tree/master/src/app_daemon)      | scale-out and fail-over for stateless services (e.g., HA micro-services) |
+| [dsn.dist.service.stateful.type1](https://github.com/imzhenyu/rDSN.dist.service/tree/master/src/replica_server) | scale-out, replicate, and fail-over for stateful services (e.g., Spanner) | 
+| [dsn.dist.service.meta_server](https://github.com/imzhenyu/rDSN.dist.service/tree/master/src/meta_server)    | membership, load balance, and machine pool management for the above dist.service.xxx modules | 
 
 
 ##### Build