How to add custom JavaScript files in Siebel OpenUI 8.1.1.11

Siebel OpenUI 8.1.1.11 comes more more systematic way to manifest the custom JavaScript.
In the Administration level, we have options to add files as well as map those files with applets/views/Applications.

First we need to add our custom files in Manifest files

Now we can map those files with our Application /Applet