[fractal] Appdata: add kudos tags

[Daniel Garcia Moreno <danigm src gnome org>]

commit ff411a5763ae027aa7d7bbb1fc15b5d47073cac6
Author: Bilal Elmoussaoui <bil elmoussaoui gmail com>
Date:   Wed Jan 9 18:49:17 2019 +0000

    Appdata: add kudos tags
    
    Documentation: https://gitlab.gnome.org/GNOME/gnome-software/blob/master/doc/kudos.md

 fractal-gtk/res/org.gnome.Fractal.appdata.xml.in.in | 5 +++++
 1 file changed, 5 insertions(+)
---
diff --git a/fractal-gtk/res/org.gnome.Fractal.appdata.xml.in.in 
b/fractal-gtk/res/org.gnome.Fractal.appdata.xml.in.in
index d692efed..92d62a43 100644
--- a/fractal-gtk/res/org.gnome.Fractal.appdata.xml.in.in
+++ b/fractal-gtk/res/org.gnome.Fractal.appdata.xml.in.in
@@ -50,6 +50,11 @@
   <url type="donation">http://www.gnome.org/friends/</url>
   <translation type="gettext">fractal</translation>
   <project_group>GNOME</project_group>
+  <kudos>
+    <kudo>HiDpiIcon</kudo>
+    <kudo>ModernToolkit</kudo>
+    <kudo>Notifications</kudo>
+  </kudos>
   <content_rating type="oars-1.0">
     <content_attribute id="violence-cartoon">none</content_attribute>
     <content_attribute id="violence-fantasy">none</content_attribute>