add in introduction to SF-JAVA-UI

Start writing the documentation #2

Author: SaifJerbi

README.md

@@ -1,2 +1,7 @@
-# asf-java-ui
-Angular Schema Form java based library allow developers to define schema and form using field annotations Edit
+# SF-JAVA-UI
+Schema Form Java based library allow developers to define schema and form using field annotations.
+
+The SF-JAVA-UI library is a server side extension for the JSON-SCHEMA-FORM js library. It make your development easier, you will not care about how to define your schema and your screen form definition. Just annotate your fields, and get your screen.
+
+# Quick start
+Using SF-JAVA-UI is simple. Follow the steps below to get your first screen.