background: add scale config option for clock

.config/quickshell/ii/modules/background/Background.qml

@@ -257,6 +257,7 @@ Variants {
             // The clock
             Loader {
                 id: clockLoader
+                scale: Config.options.background.clock.scale
                 active: Config.options.background.clock.show
                 anchors {
                     left: wallpaper.left

.config/quickshell/ii/modules/common/Config.qml

@@ -128,6 +128,7 @@ Singleton {
                     property real y: -500
                     property bool show: true
                     property string style: "cookie" // Options: "cookie", "digital"
+                    property real scale: 1
                 }
                 property string wallpaperPath: ""
                 property string thumbnailPath: ""

.config/quickshell/ii/modules/settings/InterfaceConfig.qml

@@ -20,6 +20,17 @@ ContentPage {
             }
         }
 
+        ConfigSpinBox {
+            text: Translation.tr("Scale (%)")
+            value: Config.options.background.clock.scale * 100
+            from: 1
+            to: 200
+            stepSize: 2
+            onValueChanged: {
+                Config.options.background.clock.scale = value / 100;
+            }
+        }
+
         ContentSubsection {
             title: Translation.tr("Clock style")
             ConfigSelectionArray {