Add logo to README.md

README.md

@@ -1,6 +1,10 @@
-# The Selector Library
+<!-- # The Selector Library -->
+<h1>
+  The Selector Library
+  <img src="book/content/selector_logo.png" alt="Logo" align="right" width="120">
+</h1>
 
-[![This project supports Python 3.7+](https://img.shields.io/badge/Python-3.7+-blue.svg)](https://python.org/downloads)
+[![This project supports Python 3.9+](https://img.shields.io/badge/Python-3.9+-blue.svg)](https://python.org/downloads)
 [![GPLv3 License](https://img.shields.io/badge/License-GPL%20v3-yellow.svg)](https://opensource.org/licenses/)
 [![GitHub Actions CI Tox Status](https://github.com/theochem/Selector/actions/workflows/ci_tox.yml/badge.svg?branch=main)](https://github.com/theochem/Selector/actions/workflows/ci_tox.yml)
 [![codecov](https://codecov.io/gh/theochem/Selector/graph/badge.svg?token=0UJixrJfNJ)](https://codecov.io/gh/theochem/Selector)