Updating initial README.md from template

Author: jamesiri

README.md

@@ -1,2 +1,9 @@
-# amazon-sns-developer-guide
+## Amazon Sns Developer Guide
+
 The open-source version of the _Amazon Simple Notification Service Developer Guide_. You can give us feedback and requests for changes by submitting issues in this repository.
+
+## License Summary
+
+The documentation is made available under the Creative Commons Attribution-ShareAlike 4.0 International License. See the LICENSE file.
+
+The sample code within this documentation is made available under the MIT-0 license. See the LICENSE-SAMPLECODE file.