chore: Docker Hub badge (#304)

Author: sdn4z

README.md

@@ -2,6 +2,7 @@
 
 ![Build Status](https://github.com/elementsinteractive/twyn/actions/workflows/test.yml/badge.svg)
 [![PyPI version](https://img.shields.io/pypi/v/twyn)](https://pypi.org/project/twyn/)
+[![Docker version](https://img.shields.io/docker/v/elementsinteractive/twyn?label=DockerHub&logo=docker&logoColor=f5f5f5)](https://hub.docker.com/r/elementsinteractive/twyn)
 [![Python Version](https://img.shields.io/badge/python-3.9%20%7C%203.10%20%7C%203.11%20%7C%203.12%20%7C%203.13-blue?logo=python&logoColor=yellow)](https://pypi.org/project/twyn/)
 [![Ruff](https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/astral-sh/ruff/main/assets/badge/v2.json)](https://github.com/astral-sh/ruff)
 [![License](https://img.shields.io/github/license/elementsinteractive/twyn)](LICENSE)