rewrite bar with quickshell

quickshell/Modules/Bar/Components/Battery.qml

@@ -0,0 +1,22 @@
+import QtQuick
+import Quickshell.Services.UPower
+import qs.Constants
+import qs.Modules.Bar.Misc
+import qs.Services
+
+MonitorItem {
+    readonly property var battery: UPower.displayDevice
+    readonly property bool isReady: (battery && battery.ready && battery.isLaptopBattery && battery.isPresent)
+    readonly property real percent: (isReady ? (battery.percentage * 100) : 0)
+    readonly property bool charging: (isReady ? battery.state === UPowerDeviceState.Charging : false)
+    property int lowBatteryThreshold: 15
+
+    symbol: {
+        return charging ? Icons.charging : percent >= 80 ? Icons.battery100 : percent >= 60 ? Icons.battery75 : percent >= 40 ? Icons.battery50 : percent >= 20 ? Icons.battery25 : Icons.battery00;
+    }
+    fillColor: !isReady || charging || percent > lowBatteryThreshold ? Colors.sapphire : Colors.red
+    value: percent
+    maxValue: 100
+    textSuffix: "%"
+    pointerCursor: false
+}