Add debug badge to README

README.md

@@ -2,7 +2,8 @@
 
 Copyright (c) 2004-2009 Thierry Leconte (F4DWV), Xerbo (xerbo@protonmail.com) 2019-2020
 
-![Release Build](https://github.com/Xerbo/aptdec/workflows/Release%20Build/badge.svg?branch=master)
+![x86 Release](https://github.com/Xerbo/aptdec/workflows/Release%20Build/badge.svg?branch=master)
+![x86 Debug](https://github.com/Xerbo/aptdec/workflows/Release%20Build/badge.svg?branch=devel)
 
 ## Introduction