add RTMP 302 redirect dev plan

@@ -202,6 +202,7 @@ Supported operating systems and hardware:
 1. Support live flashP2P(integrated by chnvideo VDN).
 1. Support RTMP [edge](https://github.com/winlinvip/simple-rtmp-server/wiki/Edge) server, push/pull stream from any RTMP server
 1. [dev] Support system full utest on gtest.
+1. [plan] Support RTMP 302 redirect [#92](https://github.com/winlinvip/simple-rtmp-server/issues/92).
 1. [plan] Support file to hls vod stream.
 1. [plan] Support multiple processes, for both origin and edge
 1. [no-plan] Support adobe RTMFP(flash p2p) protocol.