Add myself to the MAINTAINERS file for Swift

Change-Id: I9daeadabab9048234d946ea99be7f05254f5bc0c
diff --git a/MAINTAINERS.rst b/MAINTAINERS.rst
index bdd9e78..1e915c7 100644
--- a/MAINTAINERS.rst
+++ b/MAINTAINERS.rst
@@ -55,6 +55,11 @@
 
 * Sergey Lukjanov <slukjanov@mirantis.com>
 
+Swift
+~~~~~
+
+* Chmouel Boudjnah <chmouel@enovance.com>
+
 SUSE
 ~~~~