disable stylix, change kitty theme config

dotfiles/kitagawa/niri.kdl

@@ -1,4 +1,6 @@
 include "./shared.kdl"
+include "./noctalia-shared.kdl"
+include "./biri-shared.kdl"
 
 input {
     keyboard {
@@ -63,7 +65,7 @@ window-rule {
     default-column-width { proportion 0.52; }
 }
 switch-events {
-    lid-close { spawn "systemctl hibernate"; }
+    lid-close { spawn "systemctl" "hibernate"; }
 }
 
 include "noctalia.kdl"