added battery widget on qs

config/modules/quickshell/quickshell/BatteryWidget.qml

@@ -3,29 +3,21 @@ import QtQuick.Layouts
 import Quickshell
 import Quickshell.Services.UPower
 
-Item {
-    id: root
-    // enabled: uPowerExists
-    width: content.width
-    height: content.height
-    Layout.alignment: Qt.AlignCenter
 RowLayout {
     id: content
     height: 20
     anchors.centerIn: root
     Rectangle {
-            height: text.height
-            width: text.width
+        implicitHeight: text.height
+        implicitWidth: text.width
         color: Colors.backgroundAlt
         Layout.alignment: Qt.AlignCenter
         Text {
-							property int power: UPower.displayDevice.percentage * 100
-
             id: text
+            property int power: UPower.displayDevice.percentage * 100
             anchors.centerIn: parent
-                text: power
+            text: power + "%"
             color: Colors.textPrimary
         }
     }
 }
-}