Improve documentation

radicale/web/none.py

@@ -14,6 +14,11 @@
 # You should have received a copy of the GNU General Public License
 # along with Radicale.  If not, see <http://www.gnu.org/licenses/>.
 
+"""
+A dummy web backend that shows a simple message.
+
+"""
+
 from http import client
 
 from radicale import httputils, pathutils, web