Add Andivionian project status.

Author: ForNeVeR

Readme.md

@@ -1,4 +1,4 @@
-Naggum
+Naggum [![Status Enfer][status-enfer]][andivionian-status-classifier]
 ======
 Naggum (named in honor of [Erik Naggum][eric-naggum]) /(is|will be)/ a Lisp
 dialect based on Common Language Infrastructure (aka .NET Framework / Mono).
@@ -13,3 +13,7 @@ that makes use of most of .Net's benefits.
 
 Naggum is licensed under the terms of MIT License. See License.md file for
 details.
+
+[status-enfer]: https://img.shields.io/badge/status-enfer-orange.svg
+
+[andivionian-status-classifier]: https://github.com/ForNeVeR/andivionian-status-classifier