update readme, add wiki sample:transcode2hls

@@ -52,6 +52,10 @@ cd simple-rtmp-server/trunk
 <strong>See also:</strong><br/>
 [Usage: How to delivery RTMP?](https://github.com/winlinvip/simple-rtmp-server/wiki/SampleRTMP)<br/>
 [Usage: How to delivery HLS?](https://github.com/winlinvip/simple-rtmp-server/wiki/SampleHLS)<br/>
+[Usage: How to delivery HLS for other codec?](https://github.com/winlinvip/simple-rtmp-server/wiki/Transcode2HLS)<br/>
+[Usage: How to transode RTMP stream by SRS?](https://github.com/winlinvip/simple-rtmp-server/wiki/SampleFFMPEG)<br/>
+[Usage: How to forward stream to other server?](https://github.com/winlinvip/simple-rtmp-server/wiki/SampleForward)<br/>
+[Usage: How to deploy low lantency application?](https://github.com/winlinvip/simple-rtmp-server/wiki/SampleRealtime)<br/>
 [Usage: How to show the demo of SRS?](https://github.com/winlinvip/simple-rtmp-server/wiki/SampleDemo)<br/>
 
 ### Architecture

+listen              1935;
+vhost __defaultVhost__ {
+    hls {
+        enabled         on;
+        hls_path        ./objs/nginx/html;
+        hls_fragment    10;
+        hls_window      60;
+    }
+    transcode {
+        enabled     on;
+        ffmpeg      ./objs/ffmpeg/bin/ffmpeg;
+        engine ff {
+            enabled         on;
+            vcodec          copy;
+            acodec          libaacplus;
+            abitrate        45;
+            asample_rate    44100;
+            achannels       2;
+            aparams {
+            }
+            output          rtmp://127.0.0.1:[port]/[app]?vhost=[vhost]/[stream]_[engine];
+        }
+    }
+}