Add main.qml

src/qml.qrc

+<RCC>
+    <qresource prefix="/">
+        <file>qml/main.qml</file>
+    </qresource>
+</RCC>

src/qml/main.qml

+import QtQuick 2.0
+import QtQuick.Controls 1.1
+
+ApplicationWindow {
+
+    Component.onCompleted: {
+    }
+
+}