wip: database checker

ui/qmls/App.qml

@@ -0,0 +1,24 @@
+import QtQuick
+import QtQuick.Controls
+import QtQuick.Layouts
+
+import "./DatabaseChecker" as DatabaseChecker
+
+ApplicationWindow {
+    visible: true
+
+    width: 800
+    height: 600
+
+    StackLayout {
+        id: stackLayout
+        anchors.fill: parent
+        currentIndex: 0
+
+        DatabaseChecker.Index {
+            onReady: parent.currentIndex = 1
+        }
+
+        AppMain {}
+    }
+}