Update README.md

Author: clewis7

README.md

@@ -1,3 +1,5 @@
+[![Build and Deploy Pages](https://github.com/fastplotlib/fastplotlib-neuro.github.io/actions/workflows/pages.yaml/badge.svg?branch=main)](https://github.com/fastplotlib/fastplotlib-neuro.github.io/actions/workflows/pages.yaml)
+
 # fastplotlib-neuro.github.io
 Homepage for visualizations associated with fastplotlib for neuroscience paper
 
@@ -7,4 +9,4 @@ For now, to serve locally until we deploy this as a public website:
 python -m http.server 8000
 ```
 
-Can then see rendered version of website at: http://localhost:8000
+Can then see rendered version of website at: http://localhost:8000