add status badge

Signed-off-by: Jack Luar <[email protected]>

README.md

@@ -1,5 +1,7 @@
 # OR-Assistant
 
+[![ORAssistant CI](https://github.com/The-OpenROAD-Project/ORAssistant/actions/workflows/ci.yaml/badge.svg)](https://github.com/The-OpenROAD-Project/ORAssistant/actions/workflows/ci.yaml)
+
 ## Introduction
 
 The OpenROAD chat assistant aims to provide easy and quick access to information regarding tools, responses to questions and commonly occurring problems in OpenROAD and its native flow OpenROAD-flow-scripts.
@@ -214,4 +216,4 @@ If you use this software in any published work, we would appreciate a citation!
   url = {https://github.com/The-OpenROAD-Project/ORAssistant},
   note = {Accessed: 20xx-xx-xx}
 }
-```
+```