Adding zoomswap patch (pertag compatible)

patches.h

@@ -26,4 +26,10 @@
 /* This controls whether or not to also store bar position on a per
  * tag basis, or leave it as one bar per monitor.
  */
-#define PERTAGBAR_PATCH 0
+#define PERTAGBAR_PATCH 0
+
+/* The zoomswap patch allows a master and a stack window to swap places
+ * rather than every window on the screen changing position.
+ * https://dwm.suckless.org/patches/zoomswap/
+ */
+#define ZOOMSWAP_PATCH 0