Cleanup cmake, metadata

org.kde.neochat.appdata.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<component type="desktop">
+  <id>org.kde.neochat</id>
+  <provides>
+    <binary>neochat</binary>
+  </provides>
+  <name>Neochat</name>
+  <summary>IM client for the Matrix protocol</summary>
+  <description>
+    <p>A client for matrix, the decentralized communication protocol.</p>
+  </description>
+  <url type="homepage">https://kde.org</url>
+  <url type="bugtracker">https://bugs.kde.org</url>
+  <categories>
+    <category>Matrix</category>
+    <category>Internet</category>
+  </categories>
+  <developer_name>The KDE Community</developer_name>
+  <metadata_license>CC0-1.0</metadata_license>
+  <project_license>GPL-3.0</project_license>
+</component>