Move config format to its own file

The existing readme seems like it's more of an examples section anyway.
This commit mostly exists just to make the git history clean and clear
the path.  The next commit in this series is more important.

Signed-off-by: Ed Tanous <ed@tanous.net>
Change-Id: Ia5e36e7f556abd0dd25eb43e4883347f4624403c
1 file changed