How to use Flowable UI in Angular Application

Hi, I am new to Flowable Modeler. i have a requirement to create a flowable UI in my Angular 8 Application. which one is the best way?. and i want to customize flowable UI based on my requirements. is it possible to Customize flowable UI?. please can someone suggest. please provide me any working sample for angular with flowable UI.
Basically i want an UI like below image. is it possible to customize flowable UI like below?. any suggestions will be helpful.

Thanks in Advance,