[polari] appdata: Include some more information

[Gitlab System User <gitlab src gnome org>]

commit 209e61cc7487041a1071f4aa3842b05ee778c251
Author: Florian Müllner <fmuellner gnome org>
Date:   Mon Oct 23 04:21:39 2017 +0200

    appdata: Include some more information
    
    Mark polari as a GNOME project and include links to online help
    and translation documentation.

 data/appdata/org.gnome.Polari.appdata.xml.in | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/data/appdata/org.gnome.Polari.appdata.xml.in b/data/appdata/org.gnome.Polari.appdata.xml.in
index 34b6537..32933f7 100644
--- a/data/appdata/org.gnome.Polari.appdata.xml.in
+++ b/data/appdata/org.gnome.Polari.appdata.xml.in
@@ -39,9 +39,12 @@
   </screenshots>
   <url type="homepage">https://wiki.gnome.org/Apps/Polari</url>
   <url type="bugtracker">https://gitlab.gnome.org/GNOME/polari/issues/new</url>
+  <url type="help">https://help.gnome.org/users/polari/stable/</url>
   <url type="donation">http://www.gnome.org/friends/</url>
+  <url type="translate">https://wiki.gnome.org/TranslationProject</url>
   <update_contact>fmuellner gnome org</update_contact>
   <project_group>GNOME</project_group>
+  <developer_name>The GNOME Project</developer_name>
   <kudos>
     <kudo>AppMenu</kudo>
     <kudo>HiDpiIcon</kudo>