added debian packing source

debian/io.github.Zoitechat.appdata.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<component type="desktop-application">
+  <id>io.github.Zoitechat</id>
+  <name>ZoiteChat</name>
+  <summary>IRC client for GNOME</summary>
+  <metadata_license>CC0-1.0</metadata_license>
+  <project_license>GPL-2.0-or-later</project_license>
+
+  <description>
+    <p>ZoiteChat is a graphical IRC client based on HexChat.</p>
+    <p>Current Flatpak builds have a known issue where the Python plugin can freeze the client.</p>
+  </description>
+
+  <launchable type="desktop-id">io.github.Zoitechat.desktop</launchable>
+  <provides>
+    <binary>zoitechat</binary>
+  </provides>
+
+  <url type="homepage">https://zoitechat.github.io/</url>
+</component>