chore: Kirit readme badge (#54)

* added docs badge

* added docs badge

* added docs badge

Author: kirit93

README.md

@@ -2,6 +2,7 @@
 
 [![CI](https://github.com/NVIDIA-NeMo/DataDesigner/actions/workflows/ci.yml/badge.svg)](https://github.com/NVIDIA-NeMo/DataDesigner/actions/workflows/ci.yml)
 [![License](https://img.shields.io/badge/License-Apache_2.0-blue.svg)](https://opensource.org/licenses/Apache-2.0)
+[![Docs](https://img.shields.io/badge/docs-purple)](https://nvidia-nemo.github.io/DataDesigner/)
 [![Python 3.10+](https://img.shields.io/badge/python-3.10+-blue.svg)](https://www.python.org/downloads/) [![NeMo Microservices](https://img.shields.io/badge/NeMo-Microservices-76b900)](https://docs.nvidia.com/nemo/microservices/latest/index.html)
 
 **Generate high-quality synthetic datasets from scratch or using your own seed data.**