Added CI status badge to README.md

Author: jamius19

README.md

@@ -2,6 +2,7 @@
 
 [![POST/APSIS Sibly Page](https://img.shields.io/badge/made_by-POST%2FAPSIS-%23000000)](https://postapsis.com/sibyl)
 [![sibyl License Page](https://img.shields.io/badge/license-Apache_2.0-brightgreen)](https://raw.githubusercontent.com/postapsis/sibyl/refs/heads/main/LICENSE)
+[![sibyl License Page](https://github.com/postapsis/sibyl/actions/workflows/ci.yaml/badge.svg)](https://github.com/postapsis/sibyl/actions/workflows/ci.yaml)
 <br/>
 
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