Some GUI modification and DB documentation template

Gui/CustomerDetails.qml

@@ -0,0 +1,27 @@
+import QtQuick
+import QtQuick.Controls
+import QtQuick.Layouts
+
+Item
+{
+    property int selectedClient: -1
+    id: clDet
+    ColumnLayout
+    {
+        Label
+        {
+            text: qsTr("Ausgewählter Kunde " + selectedClient)
+        }
+
+        Button
+        {
+            text: qsTr("Kunden zeigen")
+            onClicked: customersStack.pop()
+        }
+    }
+
+    Component.onCompleted:
+    {
+        business_model.onRowClicked(selectedClient)
+    }
+}