added documentation

README.md

+Description
+===========
+
+This role is the top level package of all www categorised software and does not provide a special software product.
+
+Requirement
+===========
+
+Processes
+=========
+
+License
+=======
+
+BSD-3-Clauses
+
+Contributors
+============
+
+* Martin Pietsch (martin.pietsch@tu-dresden.de)
+