simplified some argument handlings

README.md

@@ -1,5 +1,12 @@
 
-## normal operation
+## simple rpty access
+
+- ./hodu server --rpc-on=0.0.0.0:9999 --ctl-on=[::1]:8888
+- ./hodu client --rpc-to=127.0.0.1:9999 --ctl-on=[::1]:1107 --client-token=test-client --pty-shell=/bin/bash
+
+Access `http://[::1]:8888/_rpty/xterm.html?client-token=test-client` on the server using the web browser.
+
+## port based proxy service
 - ./hodu server --rpc-on=0.0.0.0:9999 --ctl-on=0.0.0.0:8888 --pxy-on=0.0.0.0:9998 --wpx-on=0.0.0.0:9997
 - ./hodu client --rpc-to=127.0.0.1:9999 --ctl-on=127.0.0.1:1107 "127.0.0.2:22,0.0.0.0:12345,ssh,Access SSH Server"
 
@@ -14,10 +21,8 @@
 }
 ```
 
-
 ## client control channel
 
-
 ### Add a new route