docs: add provider badges

README.md

@@ -5,6 +5,12 @@
 [![license](https://img.shields.io/badge/license-MIT-blue.svg)](/LICENSE)
 [![pypi version](https://badge.fury.io/py/diagrams.svg)](https://badge.fury.io/py/diagrams)
 ![python version](https://img.shields.io/badge/python-3.6%2C3.7%2C3.8-blue?logo=python)
+![aws provider](https://img.shields.io/badge/provider-AWS-orange?logo=amazon-aws&color=ff9900)
+![azure provider](https://img.shields.io/badge/provider-Azure-orange?logo=microsoft-azure&color=0089d6)
+![gcp provider](https://img.shields.io/badge/provider-GCP-orange?logo=google-cloud&color=4285f4)
+![kubernetes provider](https://img.shields.io/badge/provider-Kubernetes-orange?logo=kubernetes&color=326ce5)
+![alibaba cloud provider](https://img.shields.io/badge/provider-AlibabaCloud-orange)
+![oracle cloud provider](https://img.shields.io/badge/provider-OracleCloud-orange?logo=oraclecolor=f80000)
 
 **Diagram as Code**.