Desktop: Add office category

Author: danirabbit

data/com.github.matfantinel.reminduck.desktop.in

@@ -2,11 +2,11 @@
 Name=Reminduck
 GenericName=Reminders
 Comment=Don't forget about your stuff in an adorably annoying way
-Categories=Utility;
+Categories=Office;Utility;
 Exec=com.github.matfantinel.reminduck %U
 Icon=com.github.matfantinel.reminduck
 Terminal=false
 Type=Application
 X-GNOME-Gettext-Domain=reminduck
 X-GNOME-UsesNotifications=true
-Keywords=Reminduck;Personal;Assistant;Reminders;
+Keywords=Reminduck;Personal;Assistant;Reminders;