niri: Add kb layout hotkey

tree/.config/niri/config.kdl.tpl

@@ -260,7 +260,7 @@ window-rule {
 window-rule {
     match title="Virtual Machine Manager"
     match app-id="virt-manager"
-    max-width 400
+    //max-width 400
 }
 
 binds {
@@ -470,10 +470,13 @@ binds {
     Ctrl+Print { screenshot-screen; }
     Alt+Print { screenshot-window; }
 
+    // Switch to the next keyboard layout
+    Mod+Tab { spawn "wmutils" "next-keyboard-layout"; }
+
     // The quit action will show a confirmation dialog to avoid accidental exits.
     Mod+Shift+E { quit; }
 
     // Powers off the monitors. To turn them back on, do any input like
     // moving the mouse or pressing any other key.
-    Mod+Shift+P { power-off-monitors; }
+    // Mod+Shift+P { power-off-monitors; }
 }