add quickshell bar

roles/quickshell/files/components/Enclosure.qml

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+import QtQuick
+import Quickshell.Widgets
+import "."
+
+WrapperRectangle {
+    radius:       Theme.radius
+    color:        'transparent'
+    border.color: Theme.border
+    border.width: Theme.borderWidth
+    margin:       Theme.enclosureMargin
+}

roles/quickshell/files/components/Theme.qml

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+pragma Singleton
+import QtQuick
+
+QtObject {
+    // Core palette
+    readonly property color bg:             '#000000'
+    readonly property color accent:         '#9B1A1A'
+    readonly property color border:         '#FFFFFF'
+    readonly property color text:           '#FFFFFF'
+    readonly property color textDim:        '#888888'
+    readonly property color textDisabled:   '#444444'
+    readonly property color progressTrack:  '#333333'
+
+    // Shape / sizing
+    readonly property int   radius:         4
+    readonly property int   borderWidth:    2
+    readonly property int   enclosureMargin: 3
+}

roles/quickshell/files/components/qmldir

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+singleton Theme 1.0 Theme.qml
+Enclosure 1.0 Enclosure.qml