feat: hide the launcher by default and add an IpcHandler to show it

qml/Launcher.qml

@@ -1,6 +1,7 @@
 import "nix"
 
 import Quickshell
+import Quickshell.Io
 import Quickshell.Wayland
 
 import QtQuick
@@ -14,6 +15,8 @@ import QtQuick.Layouts
 PanelWindow {
     id: win
 
+    visible: false
+
     anchors {
         top: true
         bottom: true
@@ -231,4 +234,12 @@ PanelWindow {
             appList.clear();
         }
     }
+
+    IpcHandler {
+        target: "launcher"
+
+        function search(): void {
+            win.visible = true;
+        }
+    }
 }