[fractal] add myself as maintainer

[Julian Sparber <jsparber src gnome org>]

commit a873369ca91c1c28f29a799c93276cb7a05455fa
Author: Julian Sparber <julian sparber net>
Date:   Mon Apr 26 09:40:10 2021 +0200

    add myself as maintainer

 fractal.doap | 6 ++++++
 1 file changed, 6 insertions(+)
---
diff --git a/fractal.doap b/fractal.doap
index 995be9ff..695eb83d 100644
--- a/fractal.doap
+++ b/fractal.doap
@@ -21,4 +21,10 @@
       <gnome:userid>afranke</gnome:userid>
     </foaf:Person>
   </maintainer>
+  <maintainer>
+    <foaf:Person>
+      <foaf:name>Julian Sparber</foaf:name>
+      <gnome:userid>jsparber</gnome:userid>
+    </foaf:Person>
+  </maintainer>
 </Project>