Add limitnmaster patch

limitnmaster/limitnmaster.patch

@@ -0,0 +1,33 @@
+From 20c948398af900564a59007fc08d15eaa0b65da3 Mon Sep 17 00:00:00 2001
+From: Gavin M <github@gavinm.us>
+Date: Fri, 15 Mar 2024 17:33:27 -0500
+Subject: [PATCH] Added limitnmaster
+
+---
+ dwl.c | 8 +++++++-
+ 1 file changed, 7 insertions(+), 1 deletion(-)
+
+diff --git a/dwl.c b/dwl.c
+index 5867b0c..210c41d 100644
+--- a/dwl.c
++++ b/dwl.c
+@@ -1391,9 +1391,15 @@ handlesig(int signo)
+ void
+ incnmaster(const Arg *arg)
+ {
++	unsigned int n = 0;
++	Client *c;
++
+ 	if (!arg || !selmon)
+ 		return;
+-	selmon->nmaster = MAX(selmon->nmaster + arg->i, 0);
++	wl_list_for_each(c, &clients, link)
++		if (VISIBLEON(c, selmon) && !c->isfloating && !c->isfullscreen)
++			n++;
++	selmon->nmaster = MIN(MAX(selmon->nmaster + arg->i, 0), n);
+ 	arrange(selmon);
+ }
+ 
+-- 
+2.44.0
+