Add license shield to README

mfasi · mfasi · commit 1a14533f48d4 · 2025-04-28T15:20:38.000+08:00
diff --git a/README.md b/README.md
@@ -1,6 +1,7 @@
 # Matrix–matrix multiply using integer Ozaki scheme
 
 [![Testing](https://github.com/north-numerical-computing/gemmi/actions/workflows/run_cpp_tests.yml/badge.svg?branch=main)](https://github.com/north-numerical-computing/gemmi/actions/workflows/run_cpp_tests.yml)
+[![GitHub](https://img.shields.io/github/license/north-numerical-computing/gemmi)](LICENSE.md)
 
 ## Dependencies
 
