DOC: Nicen up administration page

src/doc/administration.rst

@@ -5,10 +5,12 @@ The Python script ``caosdb_admin.py`` should be used for administrative tasks.
 Call ``caosdb_admin.py --help`` to see how to use it.
 
 The most common task is to create a new user (in the CaosDB realm) and set a 
-password for the user (note that a user typically needs to be activated)::
+password for the user (note that a user typically needs to be activated):
 
-     caosdb_admin.py create_user anna
-     caosdb_admin.py set_user_password anna
-     caosdb_admin.py add_user_roles anna administration
-     caosdb_admin.py activate_user anna
+.. code:: console
+
+   $ caosdb_admin.py create_user anna
+   $ caosdb_admin.py set_user_password anna
+   $ caosdb_admin.py add_user_roles anna administration
+   $ caosdb_admin.py activate_user anna