RTL Version
In order to have RTL mode enabled, update below line in function initSettings in file Admin/static/js/app.js.
alreadyVisited = "rtl-mode-switch";
at line number 252.
And add lang="en" and dir="rtl" in html tag as shown below in the Admin/templates/partial/base.html.
<html lang="en" dir="rtl">
and replace the reference of bootstrap.min.css stylesheet file to bootstrap-rtl.min.css and app.min.css to app-rtl.min.css in the Admin/templates/partial/css.html file.