[gnome-nibbles/arnaudb/maintainer] Add myself as a maintainer.

[Arnaud B. <arnaudb src gnome org>]

commit 07fac33171bf75fb373f36bdcb2bb0961e28b2d1
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Mon Jun 22 19:52:35 2020 +0200

    Add myself as a maintainer.
    
    I am mostly aware of the current state
    of the code, and want to help bringing
    this program to its great Gtk4 future.

 gnome-nibbles.doap | 9 +++++++++
 1 file changed, 9 insertions(+)
---
diff --git a/gnome-nibbles.doap b/gnome-nibbles.doap
index f74fe84..0e2fe0f 100644
--- a/gnome-nibbles.doap
+++ b/gnome-nibbles.doap
@@ -1,3 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+
 <Project xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";
          xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#";
          xmlns:foaf="http://xmlns.com/foaf/0.1/";
@@ -28,4 +30,11 @@
       <gnome:userid>iulianradu</gnome:userid>
     </foaf:Person>
   </maintainer>
+  <maintainer>
+    <foaf:Person>
+      <foaf:name>Arnaud Bonatti</foaf:name>
+      <foaf:mbox rdf:resource="mailto:arnaud bonatti gmail com" />
+      <gnome:userid>arnaudb</gnome:userid>
+    </foaf:Person>
+  </maintainer>
 </Project>