New man pages referenced from nanomsg(7)

Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
diff --git a/doc/nanomsg.txt b/doc/nanomsg.txt
index 53ea78d..7892c86 100644
--- a/doc/nanomsg.txt
+++ b/doc/nanomsg.txt
@@ -113,11 +113,20 @@
 TCP transport::
     linknanomsg:nn_tcp[7]
 
+TCPMUX transport::
+    linknanomsg:nn_tcpmux[7]
+
+WebSocket transport::
+    linknanomsg:nn_ws[7]
+
 Following tools are installed with the library:
 
 nanocat::
     linknanomsg:nanocat[1]
 
+tcpmuxd::
+    linknanomsg:tcpmuxd[1]
+
 AUTHORS
 -------
 Martin Sustrik <sustrik@250bpm.com>