[gnome-keysign] added Ludovico to maintainers

[Tobias Mueller <tobiasmue src gnome org>]

commit e7bf1bc0adef07d3d2bc8d3a9bd40ff95623ec38
Author: Tobias Mueller <muelli cryptobitch de>
Date:   Thu Jan 3 13:46:36 2019 +0100

    added Ludovico to maintainers
    
    He has contributed a lot and is certainly doing maintainer things.
    Thanks for advancing the project!

 gnome-keysign.doap | 6 ++++++
 1 file changed, 6 insertions(+)
---
diff --git a/gnome-keysign.doap b/gnome-keysign.doap
index adbede2..f8f11d6 100644
--- a/gnome-keysign.doap
+++ b/gnome-keysign.doap
@@ -25,6 +25,12 @@ follows best practices when producing and sending the signatures.
       <gnome:userid>tobiasmue</gnome:userid>
     </foaf:Person>
   </maintainer>
+  <maintainer>
+    <foaf:Person>
+      <foaf:name>Ludovico de Nittis</foaf:name>
+      <gnome:userid>denittis</gnome:userid>
+    </foaf:Person>
+  </maintainer>
 </Project>