task: update docs

README.md

@@ -3,10 +3,11 @@
 [![Test](https://github.com/svaponi/fastapi-mongodb-boilerplate/actions/workflows/run-tests.yml/badge.svg)](https://github.com/svaponi/fastapi-mongodb-boilerplate/actions/workflows/run-tests.yml)
 [![Coverage Status](https://coveralls.io/repos/github/svaponi/fastapi-mongodb-boilerplate/badge.svg?branch=main)](https://coveralls.io/github/svaponi/fastapi-mongodb-boilerplate?branch=main)
 
-Boilerplate repository to kickstart 🚀 your [FastAPI](https://fastapi.tiangolo.com/) project.
+Boilerplate repository to kickstart 🚀 your [FastAPI](https://fastapi.tiangolo.com/) + [MongoDB](https://www.mongodb.com/) project.
 
 ### Key features
 
+- **Non-blocking**, based on [Motor (async driver for MongoDB)](https://www.mongodb.com/docs/drivers/motor/).
 - Run [pytest](https://docs.pytest.org/) when you **push changes to `src/` dir** ([GitHub Actions](/.github/workflows/run-tests.yml)).
 - [Poetry](https://python-poetry.org/docs/#installation) as **dependency manager** and **packaging tool**.
 - [Coveralls](https://docs.coveralls.io/) integration (for coverage badge).