Adding OpenWebUI Dependencies

[rabaila]

Adding chat, values, and updated inference-stack-deploy to create open web ui wrapper

[amberjain1]

@rabaila: thanks for the contribution.
Couple of comments:

1. [Functional]: You need to merge the openwebUI deployment as a feature in the existing config file and deploy it using existing deployment script.
2. [Legal]: We are still checking on the license compatibility of OPenWebUI. And will get back