document ryu command

Signed-off-by: YAMAMOTO Takashi <yamamoto@valinux.co.jp>

doc/source/conf.py

@@ -220,6 +220,8 @@ man_pages = [
      [u'ryu development team'], 1),
     ('man/rpc_cli', 'rpc-cli', u'a simple msgpack-rpc client',
      [u'ryu development team'], 1),
+    ('man/ryu', 'ryu', u'ryu',
+     [u'ryu development team'], 1),
     ('man/ryu_manager', 'ryu-manager', u'ryu manager',
      [u'ryu development team'], 1),
 ]

doc/source/man/ryu.rst

@@ -0,0 +1,20 @@
+:orphan:
+
+ryu manual page
+===============
+
+Synoposis
+---------
+**ryu** [*options*] <subcommand> [*subcommand options*]
+
+Description
+-----------
+:program:`ryu` is an Operating System for Software Defined Networking
+
+Options
+-------
+-h, --help
+
+Author
+------
+Ryu development team