Dark Version
LTR Version:
In order to have dark mode enabled, replace the reference of bootstrap.min.css stylesheet file to bootstrap-dark.min.css and app.min.css to app-dark.min.css
RTL Version:
In order to have dark mode enabled, replace the reference of bootstrap.min.css stylesheet file to bootstrap-dark.min.css and app.min.css to app-dark-rtl.min.css