feat(power): add power profile component

services/PowerProfile.qml

@@ -0,0 +1,22 @@
+pragma Singleton
+
+import QtQuick
+import Quickshell
+import Quickshell.Services.UPower as UPower
+
+Singleton {
+    id: root
+
+    readonly property bool performanceAvailable: UPower.PowerProfiles.hasPerformanceProfile
+    readonly property string name: {
+        switch (UPower.PowerProfiles.profile) {
+        case UPower.PowerProfile.Performance:
+            return "Performance";
+        case UPower.PowerProfile.PowerSaver:
+            return "Power Saver";
+        default:
+            return "Balanced";
+        }
+    }
+    readonly property url icon: `${Quickshell.shellPath("assets")}/icons/power.svg`
+}