Add docker file to build image

Issue-ID: RIC-349

Signed-off-by: E. Scott Daniels <daniels@research.att.com>
Change-Id: I48c498970e02727009fc1ca17cdb1df5bf8cf3d8
diff --git a/README b/README
index e4dc3ff..a5ef7ae 100644
--- a/README
+++ b/README
@@ -16,7 +16,6 @@
    limitations under the License.
 ==================================================================================
 
-xAPP C++ Framework
+Traffic Steering
 
-This repository contains a "framework" on which C++ RIC applications (xAPPs)
-can be built.
+This repository contains the source for the RIC traffic steering application.