Update README.md

Author: Mike Hatfield

README.md

@@ -1,2 +1,5 @@
-# alfresco
-Alfresco Information Site
+# Alfresco Information Site
+This is an **informal** and **unsupported** information site relating to the Alfresco Mobile projects: [Alfresco iOS app](https://github.com/Alfresco/alfresco-ios-app) and [Alfresco Android app](https://github.com/Alfresco/alfresco-android-app), including their SDK counterparts: [iOS SDK](https://github.com/Alfresco/alfresco-ios-sdk), [Android SDK](https://github.com/Alfresco/alfresco-android-sdk).
+
+### Authors and Contributors
+Mike Hatfield (@mikeh)