dissect: add README and manpage
refs #2931
Change-Id: Ia0418fbf50725f004ceb09bcff9a55fb6136a70c
diff --git a/manpages/ndn-dissect.rst b/manpages/ndn-dissect.rst
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+ndn-dissect
+===========
+
+Usage
+-----
+
+::
+
+ ndn-dissect [-hV] [input-file]
+
+Description
+-----------
+
+``ndn-dissect`` is an NDN packet format inspector.
+It reads zero or more NDN packets from either an input file or the standard input,
+and displays the Type-Length-Value (TLV) structure of those packets on the standard output.
+
+Options
+-------
+
+``-h``
+ Print help and exit.
+
+``-V``
+ Print version and exit.
+
+``input-file``
+ The file to read packets from.
+ If no :option:`input-file` is given, the standard input is used.
+
+Examples
+--------
+
+Inspect the response to Interest ``ndn:/app1/video``
+
+::
+
+ ndnpeek ndn:/app1/video | ndn-dissect