feat: init lockscreen

lockscreen/test.qml

@@ -0,0 +1,25 @@
+import QtQuick
+import Quickshell
+
+ShellRoot {
+	LockContext {
+		id: lockContext
+		onUnlocked: Qt.quit();
+	}
+
+	FloatingWindow {
+		LockSurface {
+			anchors.fill: parent
+			context: lockContext
+		}
+	}
+
+	// exit the example if the window closes
+	Connections {
+		target: Quickshell
+
+		function onLastWindowClosed() {
+			Qt.quit();
+		}
+	}
+}