Ports: Update nyancat's patches to use git patches

Ports/nyancat/patches/0001-Install-to-usr-local.patch

@@ -0,0 +1,28 @@
+From 7523e59d058e0455bc03d4c3154d18ffa5fdd92a Mon Sep 17 00:00:00 2001
+From: Gunnar Beutner <gbeutner@serenityos.org>
+Date: Thu, 15 Apr 2021 15:43:18 +0200
+Subject: [PATCH 1/2] Install to /usr/local
+
+---
+ Makefile | 6 ++++--
+ 1 file changed, 4 insertions(+), 2 deletions(-)
+
+diff --git a/Makefile b/Makefile
+index 069b06c..34b38d8 100644
+--- a/Makefile
++++ b/Makefile
+@@ -33,7 +33,9 @@ distcheck: $(distdir).tar.gz
+ 	@echo "*** Package $(distdir).tar.gz is ready for distribution."
+ 
+ install: all
+-	install src/nyancat /usr/bin/${package}
+-	gzip -9 -c < nyancat.1 > /usr/share/man/man1/nyancat.1.gz
++	mkdir -p ${DESTDIR}/usr/local/bin
++	install src/nyancat ${DESTDIR}/usr/local/bin/${package}
++	mkdir -p ${DESTDIR}/usr/local/share/man/man1
++	gzip -9 -c < nyancat.1 > ${DESTDIR}/usr/local/share/man/man1/nyancat.1.gz
+ 
+ .PHONY: FORCE all clean check dist distcheck install
+-- 
+2.36.1
+