rewrite bar with quickshell

quickshell/Modules/Bar/Components/MemUsage.qml

@@ -0,0 +1,28 @@
+import QtQuick
+import Quickshell.Io
+import qs.Constants
+import qs.Modules.Bar.Misc
+import qs.Services
+
+MonitorItem {
+    symbol: Icons.memory
+    fillColor: Colors.green
+    value: Math.round(SystemStatService.memPercent)
+    maxValue: 100
+    textValue: SystemStatService.memGb
+    textSuffix: "G"
+    onClicked: {
+        if (action.running) {
+            action.signal(15);
+            return ;
+        }
+        action.exec(["ghostty", "-e", "btop"]);
+    }
+
+    Process {
+        id: action
+
+        running: false
+    }
+
+}