fix: add wayland dev headers and scanner for pywayland build on NixOS

configs/quickshell/modules/sidebarRight/quickToggles/IdleInhibitor.qml

@@ -0,0 +1,31 @@
+import qs.modules.common
+import qs.modules.common.widgets
+import qs
+import Quickshell.Io
+import Quickshell
+
+QuickToggleButton {
+    id: root
+    toggled: false
+    buttonIcon: "coffee"
+    onClicked: {
+        if (toggled) {
+            root.toggled = false
+            Quickshell.execDetached(["pkill", "wayland-idle"]) // pkill doesn't accept too long names
+        } else {
+            root.toggled = true
+            Quickshell.execDetached([`${Directories.scriptPath}/wayland-idle-inhibitor.py`])
+        }
+    }
+    Process {
+        id: fetchActiveState
+        running: true
+        command: ["pidof", "wayland-idle-inhibitor.py"]
+        onExited: (exitCode, exitStatus) => {
+            root.toggled = exitCode === 0
+        }
+    }
+    StyledToolTip {
+        content: Translation.tr("Keep system awake")
+    }
+}