completed documentation

README.md

@@ -6,6 +6,29 @@ This role is the top level package of all www categorised software and does not
 Requirement
 ===========
 
+Variables
+---------
+
+* www_root_directory
+  * description:
+    * path to the root directory of the web service
+  * default: /var/www 
+
+* www_mimetypes
+  * descriptions:
+    * list of known mimetypes
+  * default: []
+
+* www_list_directory
+  * description:
+    * enables the listing of a directory
+  * default: false
+
+* www_index_files
+  * description:
+    * list of index files
+  * default: ["index.html"]
+
 Processes
 =========