Added UI skeleton for BMS settings screen

qml/Controls/LabelWithBackground.qml

@@ -0,0 +1,18 @@
+import QtQuick 2.12
+import QtQuick.Controls 2.12
+
+import Utils 1.0
+
+Label {
+    color: Palette.textColor
+    font.pixelSize: 18
+    font.weight: Font.ExtraBold
+    elide: Text.ElideRight
+    horizontalAlignment: Text.AlignHCenter
+    verticalAlignment: Text.AlignVCenter
+
+    background: Rectangle {
+        color: Palette.hoveredBackgroundColor
+        radius: 8
+    }
+}