added warning about project being in maintenance mode

SKolodynski · web-flow · commit 18b75435e941 · 2018-04-16T13:28:00.000+02:00
diff --git a/README.rst b/README.rst
@@ -1,3 +1,6 @@
+.. ATTENTION::
+This project is in maintenance mode. We may fix bugs, but no new features will be added in foreseeable future. 
+
 qPython
 =======
 
