vertical tabs on configuration

modules/configuration/StylingView.qml

@@ -0,0 +1,25 @@
+import qs.components
+import qs.config
+import QtQuick
+import QtQuick.Layouts
+
+StyledPane {
+    GridLayout {
+
+        columnSpacing: Styling.layout.spacing.xl
+
+        StyledText {
+            text: "Theme"
+            // font.bold: true
+            font.pixelSize: Styling.typography.textSize.lg
+        }
+
+        StyledComboBox {
+            currentIndex: Theme.themes.indexOf(Theme.currentTheme)
+            model: Theme.themes
+            onActivated: index => {
+                Theme.currentTheme = Theme.themes[index];
+            }
+        }
+    }
+}