niri: add keybind for ghostty spawning + window expelling

Signed-off-by: fau <fau@faukah.com>
Change-Id: I6a6a69649fa8323e8fcae94b4ffdc2123e4a75cd

modules/wms/niri/config.kdl

@@ -127,6 +127,9 @@ binds {
     Mod+Return {
         spawn "ghostty"
     }
+    Mod+Shift+Return {
+        spawn "sh" "-c" "niri msg action spawn -- ghostty; sleep 0.3; niri msg action consume-or-expel-window-left"
+    }
     Mod+B {
         spawn "brave"
     }