plugins: add ColorSetting

PLUGINS/ColorDemoPlugin/ColorDemoSettings.qml

@@ -0,0 +1,32 @@
+import QtQuick
+import qs.Common
+import qs.Modules.Plugins
+import qs.Widgets
+
+PluginSettings {
+    id: root
+    pluginId: "colorDemo"
+
+    StyledText {
+        width: parent.width
+        text: "Color Demo Settings"
+        font.pixelSize: Theme.fontSizeLarge
+        font.weight: Font.Bold
+        color: Theme.surfaceText
+    }
+
+    StyledText {
+        width: parent.width
+        text: "Choose a custom color to display in the bar widget"
+        font.pixelSize: Theme.fontSizeSmall
+        color: Theme.surfaceVariantText
+        wrapMode: Text.WordWrap
+    }
+
+    ColorSetting {
+        settingKey: "customColor"
+        label: "Custom Color"
+        description: "Choose a custom color to display in the widget"
+        defaultValue: Theme.primary
+    }
+}