支持窗口最大化操作

src/action.c

@@ -87,3 +87,9 @@ void toggle_client_fullscreen(const user_action_arg_t *arg) {
 
   client_set_fullscreen(wm.client_focused, !wm.client_focused->fullscreen);
 }
+
+void toggle_client_maximize(const user_action_arg_t *arg) {
+  if (!wm.client_focused) return;
+
+  client_set_maximize(wm.client_focused, !wm.client_focused->maximize);
+}