Update README to mention sample.scala we are shipping.
Update README to mention sample.scala we are shipping.

Change-Id: I5018bc464c398ebd5c00a05f0a13e4725256d0dd
Signed-off-by: Grzegorz Kossakowski <bbec47209d89e7dc5d8f006e7151d7e32a4d9bf6@gmail.com>

gkossakowski/gimd