Fix badge: remove backslash-escaped exclamation mark

Author: akuligowski9

README.md

@@ -1,6 +1,6 @@
 # Kestrel
 
-[\![CodeRabbit Reviews](https://img.shields.io/coderabbit/prs/github/akuligowski9/kestrel?labelColor=171717&color=FF570A&label=CodeRabbit+Reviews)](https://coderabbit.ai)
+[![CodeRabbit Reviews](https://img.shields.io/coderabbit/prs/github/akuligowski9/kestrel?labelColor=171717&color=FF570A&label=CodeRabbit+Reviews)](https://coderabbit.ai)
 
 **A C++ embedded-style system monitor that watches system behavior and signals when conditions deviate from expected bounds.**