README

Author: pschatzmann

README.md

@@ -1,5 +1,6 @@
 # An Arduino C++ Emulator Library
 
+[![License: LGPL v2.1](https://img.shields.io/badge/License-LGPL%20v2.1-blue.svg)](https://www.gnu.org/licenses/old-licenses/lgpl-2.1.html)
 [![Linux build](../../actions/workflows/c-cpp-cmake.yml/badge.svg)](../../actions/workflows/c-cpp-cmake.yml)
 [![Unit tests](../../actions/workflows/unit-tests.yml/badge.svg)](../../actions/workflows/unit-tests.yml)