xenodm theme and setup adjustments

utils/openbsd/X11/xenodm/Makefile

@@ -1,5 +1,5 @@
 # env
-# Written in 2020 by Lucas
+# Written in 2020-2021 by Lucas
 # CC0 1.0 Universal/Public domain - No rights reserved
 #
 # To the extent possible under law, the author(s) have dedicated all
@@ -15,6 +15,9 @@ DEST=	/etc/X11/xenodm
 
 all: install
 
+diff:
+	-for f in Xresources Xsetup_0; do diff -u "$$f" $(DEST)/"$$f"; done
+
 install:
 	cp -f Xresources $(DEST)
 	chmod 444 $(DEST)/Xresources