README.md: Add C badge

chadowo · chadowo · commit fb8ed23ff951 · 2026-02-24T01:29:02.000-03:00
diff --git a/README.md b/README.md
@@ -1,5 +1,7 @@
 # MRuby Examples
 
+![C](https://img.shields.io/badge/c-%2300599C.svg?style=for-the-badge&logo=c&logoColor=white)
+
 Collection of sample [MRuby](https://mruby.org/) programs.
 
 ## Build
