Update README.md

Author: eel76

README.md

@@ -1,6 +1,7 @@
 # Traits for C++
 
 [![tests](https://github.com/VolumeGraphics/traits/actions/workflows/tests.yml/badge.svg?cache-control=no-cache)](https://github.com/VolumeGraphics/traits/actions/workflows/tests.yml)
+[![examples](https://github.com/VolumeGraphics/traits/actions/workflows/examples.yml/badge.svg?cache-control=no-cache)](https://github.com/VolumeGraphics/traits/actions/workflows/examples.yml)
 
 Define shared behavior in a non-intrusive way while preserving value semantics.