CI badge

Author: HinTak

README.md

@@ -1,2 +1,4 @@
+[![CI](https://github.com/HinTak/skia-python-examples/actions/workflows/ci.yml/badge.svg)](https://github.com/HinTak/skia-python-examples/actions/workflows/ci.yml)
+
 On Wayland-based platforms (i.e. very new Linux systems), setting `SDL_VIDEODRIVER=x11`
 may be needed for the SDL example; the equivalent for the GLUT example is `PYOPENGL_PLATFORM=glx`.