©️ Add SPDX tag

kwin/glide/config.ui

@@ -1,4 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
+
+<!--
+SPDX-FileCopyrightText: Simon Schneegans <code@simonschneegans.de>
+SPDX-License-Identifier: GPL-3.0-or-later
+-->
+
 <ui version="4.0">
     <class>BMWConfigForm</class>
     <widget class="QWidget" name="BMWConfigForm">
@@ -105,6 +111,6 @@
             </item>
         </layout>
     </widget>
- <resources/>
+    <resources />
- <connections/>
+    <connections />
 </ui>