enhance documentation a little bit

config/galaxy.yml.interactivetools

@@ -33,4 +33,6 @@ galaxy:
   # If you develop InteractiveTools locally and do not have a full FQDN you can
   # use an arbritrary one, e.g. 'my-hostname' here, if you set this hostname in your
   # job_conf.xml as well (see the corresponding comment).
+  # Please make sure that in the local development case you use https://localhost:8080 to access
+  # your Galaxy. http://my-hostname:8080 will not work.
   # galaxy_infrastructure_url: http://my-hostname:8080

config/job_conf.xml.interactivetools

@@ -22,7 +22,8 @@
                This can be done via the --add-host parameter during the `docker run` command.
                'my-hostname' here is an arbritrary hostname that matches the IP address of your
                Galaxy host. Make sure this hostname ('my-hostname') is also set in your galaxy.yml file, e.g.
-               `galaxy_infrastructure_url: http://my-hostname:8080`. -->
+               `galaxy_infrastructure_url: http://my-hostname:8080`. 
+          -->
           <!--param id="docker_run_extra_arguments">--add-host my-hostname:10.1.2.3</param-->
         </destination>