Docs(readme): add a deployment workflow status badge

README.md

@@ -5,6 +5,7 @@
 [![Black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black)
 [![Imports: isort](https://img.shields.io/badge/%20imports-isort-%231674b1?style=flat&labelColor=ef8336)](https://pycqa.github.io/isort/)
 [![Conventional Commits](https://img.shields.io/badge/Conventional%20Commits-1.0.0-%23FE5196?logo=conventionalcommits&logoColor=white)](https://conventionalcommits.org)
+[![Build and deploy Python app to Azure Web App](https://github.com/UNDP-Data/ftss-api/actions/workflows/azure-webapps-python.yml/badge.svg)](https://github.com/UNDP-Data/ftss-api/actions/workflows/azure-webapps-python.yml)
 
 This repository hosts the API that powers the [UNDP Future Trends and Signals System](https://signals.data.undp.org) (FTSS).
 The API is written using [FastAPI](https://fastapi.tiangolo.com) in Python and deployed on Azure App Services.