update readme, update api server stream list

@@ -22,6 +22,7 @@ git clone https://code.csdn.net/winlinvip/srs-csdn.git
 
 报告问题(BugReport): [https://github.com/winlinvip/simple-rtmp-server/issues/new](https://github.com/winlinvip/simple-rtmp-server/issues/new)<br/>
 中文资料(Wiki): [https://github.com/winlinvip/simple-rtmp-server/wiki](https://github.com/winlinvip/simple-rtmp-server/wiki) <br/>
+产品对比(Wiki): [https://github.com/winlinvip/simple-rtmp-server/wiki/Compare](https://github.com/winlinvip/simple-rtmp-server/wiki/Compare) <br/>
 使用步骤(Usage): [https://github.com/winlinvip/simple-rtmp-server#usage](#usage) <br/>
 功能摘要(Summary): [https://github.com/winlinvip/simple-rtmp-server#summary](#summary) <br/>
 关于SRS(About): [https://github.com/winlinvip/simple-rtmp-server#about](#about) <br/>

@@ -764,12 +764,14 @@ class RESTNodes(object):
                         "edge":server, "client":ip, 
                         "peers":self.__json_dump_nodes(peers),
                         "streams": {
-                            "hls-cztv-html": "http://demo.chnvideo.com:8085/api/v1/nodes?type=hls&format=html&origin=demo.chnvideo.com&port=8080&stream=live/rtmp_cztv01-sd",
-                            "hls-cztv-m3u8": "http://demo.chnvideo.com:8085/api/v1/nodes?type=hls&format=m3u8&origin=demo.chnvideo.com&port=8080&stream=live/rtmp_cztv01-sd",
-                            "rtmp-cztv-html": "http://demo.chnvideo.com:8085/api/v1/nodes?type=rtmp&format=html&origin=demo.chnvideo.com&vhost=android&port=1935&stream=live/rtmp_cztv01-sd",
-                            "hls-livestream-html": "http://demo.chnvideo.com:8085/api/v1/nodes?type=hls&format=html&origin=demo.chnvideo.com&port=8080&stream=live/livestream",
-                            "hls-livestream-m3u8": "http://demo.chnvideo.com:8085/api/v1/nodes?type=hls&format=m3u8&origin=demo.chnvideo.com&port=8080&stream=live/livestream",
-                            "rtmp-livestream-html": "http://demo.chnvideo.com:8085/api/v1/nodes?type=rtmp&format=html&origin=demo.chnvideo.com&vhost=demo.srs.com&port=1935&stream=live/livestream",
+                            "cztv": {
+                                "hls": "http://demo.chnvideo.com:8085/api/v1/nodes?type=hls&format=html&origin=demo.chnvideo.com&port=8080&stream=live/rtmp_cztv01-sd",
+                                "rtmp": "http://demo.chnvideo.com:8085/api/v1/nodes?type=rtmp&format=html&origin=demo.chnvideo.com&vhost=android&port=1935&stream=live/rtmp_cztv01-sd"
+                            },
+                            "livestream": {
+                                "hls": "http://demo.chnvideo.com:8085/api/v1/nodes?type=hls&format=html&origin=demo.chnvideo.com&port=8080&stream=live/livestream",
+                                "rtmp": "http://demo.chnvideo.com:8085/api/v1/nodes?type=rtmp&format=html&origin=demo.chnvideo.com&vhost=demo.srs.com&port=1935&stream=live/livestream"
+                            },
                             "apk": "http://demo.chnvideo.com/android.srs.apk"
                         }
                     }})