[meld] Add release metadata to appdata

[Kai Willadsen <kaiw src gnome org>]

commit 603a43268bfa34ed749d0e1c55f6073ee688b702
Author: Kai Willadsen <kai willadsen gmail com>
Date:   Sun Mar 31 07:41:48 2019 +1000

    Add release metadata to appdata

 data/org.gnome.meld.appdata.xml.in | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
---
diff --git a/data/org.gnome.meld.appdata.xml.in b/data/org.gnome.meld.appdata.xml.in
index 857764b6..e268ebb6 100644
--- a/data/org.gnome.meld.appdata.xml.in
+++ b/data/org.gnome.meld.appdata.xml.in
@@ -47,4 +47,23 @@
   <_developer_name>The GNOME Project</_developer_name>
   <translation type="gettext">meld</translation>
   <content_rating type="oars-1.1" />
+  <releases>
+    <release date="2019-01-06" version="3.20.0">
+      <description>
+        <p>
+          This is a new stable release series. Notable changes compared to 3.18 include:
+        </p>
+        <ul>
+          <li>Support comparing remote files</li>
+          <li>Much faster comparisons for folders with lots of files</li>
+          <li>Better handling of encoding failures during file load and save</li>
+          <li>New status bar for view-specific editor settings</li>
+          <li>Support user-selected file encodings in dialogs and the new status bar</li>
+          <li>New automated Windows builds using GNOME Gitlab CI</li>
+          <li>Improved support for Flatpak builds</li>
+          <li>Updated translations</li>
+        </ul>
+      </description>
+    </release>
+  </releases>
 </component>