Add build and Bun badges to README

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: kieranklaassen

README.md

@@ -1,5 +1,8 @@
 # Compound Marketplace
 
+[![Build Status](https://github.com/EveryInc/compound-engineering-plugin/actions/workflows/ci.yml/badge.svg)](https://github.com/EveryInc/compound-engineering-plugin/actions/workflows/ci.yml)
+[![Bun](https://img.shields.io/badge/Bun-%3E%3D1.0-black?logo=bun)](https://bun.sh)
+
 A Claude Code plugin marketplace featuring the **Compound Engineering Plugin** — tools that make each unit of engineering work easier than the last.
 
 ## Claude Code Install