Readme Documentation

[ennisa-ire]

Can you please update readme, and specify the name and location of the application module file similarly for the html template file below?

`
Embedding
Then, navigate to your application's module file. Import the File Tree module by adding import { FileTreeModule } from '@zowe/zlux-angular-file-tree/src/plugin'; and then, add the File Tree module into your application's module.

FileTreeModule,
...,
Now, in your application's HTML template, given they are within the scope of your module, you can import the File Explorer widget as <zlux-file-tree (nodeClick)="onNodeClick($event)"> with an optional (style) input to specify the color, size, or other properties of the main tree container.
`