update various configs

modules/home/niri/config.kdl

@@ -351,6 +351,8 @@ binds {
     // The quit action will show a confirmation dialog to avoid accidental exits.
     Mod+Shift+E { quit; }
 
+    Mod+V       { toggle-window-floating; }
+
     // 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; }