Make notification position configurable.

app/public/config/config.example.js

@@ -70,6 +70,8 @@ var config =
 	// If false, will push videos away to make room for side
 	// drawer. If true, will overlay side drawer over videos
 	drawerOverlayed      : true,
+	// Position of notifications
+	notificationPosition : 'right',
 	// Timeout for autohiding topbar and button control bar
 	hideTimeout          : 3000,
 	lastN                : 4,

app/src/components/Notifications/Notifications.js

@@ -4,6 +4,8 @@ import PropTypes from 'prop-types';
 import { withSnackbar } from 'notistack';
 import * as notificationActions from '../../actions/notificationActions';
 
+const notificationPosition = window.config.notificationPosition || 'right';
+
 class Notifications extends Component
 {
 	displayed = [];
@@ -45,7 +47,7 @@ class Notifications extends Component
 					autoHideDuration : notification.timeout,
 					anchorOrigin     : {
 						vertical   : 'bottom',
-						horizontal : 'left'
+						horizontal : notificationPosition
 					}
 				}
 			);