Bring backs most services

Services/SysInfo.qml

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+pragma Singleton
+
+import QtQuick
+import Qt.labs.folderlistmodel
+import Quickshell
+import Quickshell.Io
+
+Singleton {
+  id: manager //TBC
+
+  property string updateInterval: "2s"
+  property string cpuUsageStr: ""
+  property string cpuTempStr: ""
+  property string memoryUsageStr: ""
+  property string memoryUsagePerStr: ""
+  property real cpuUsage: 0
+  property real memoryUsage: 0
+  property real cpuTemp: 0
+  property real diskUsage: 0
+  property real memoryUsagePer: 0
+  property string diskUsageStr: ""
+
+  Process {
+    id: zigstatProcess
+    running: true
+    command: [Quickshell.shellDir + "/Programs/zigstat", updateInterval]
+    stdout: SplitParser {
+      onRead: function (line) {
+        try {
+          const data = JSON.parse(line)
+          cpuUsage = +data.cpu
+          cpuTemp = +data.cputemp
+          memoryUsage = +data.mem
+          memoryUsagePer = +data.memper
+          diskUsage = +data.diskper
+          cpuUsageStr = data.cpu + "%"
+          cpuTempStr = data.cputemp + "°C"
+          memoryUsageStr = data.mem + "G"
+          memoryUsagePerStr = data.memper + "%"
+          diskUsageStr = data.diskper + "%"
+        } catch (e) {
+          console.error("Failed to parse zigstat output:", e)
+        }
+      }
+    }
+  }
+}