docs: Update contributing guidelines.

Author: miccy

CONTRIBUTING.md

@@ -70,4 +70,4 @@ Open a discussion or reach out via issues.
 <div align="center">
   <a href="https://github.com/enterprises/ownCTRL"><img src="https://img.shields.io/badge/©️_2026-ownCTRL™-333?style=flat&labelColor=ddd" alt="© 2026 ownCTRL™"/></a>
   <a href="https://github.com/miccy"><img src="https://img.shields.io/badge/⚙️_Maintained_with_🩶_by-%40miccy-333?style=flat&labelColor=ddd" alt="Maintained by @miccy"/></a>
-</div>
+</div>