Install systemd service definition

debian/rules

@@ -19,6 +19,8 @@ override_dh_auto_install:
 	    $(CURDIR)/debian/ngircd/etc/ngircd/ngircd.conf
 	install -m 640 -D $(CURDIR)/debian/ngircd.motd \
 	    $(CURDIR)/debian/ngircd/etc/ngircd/ngircd.motd
+	install -m 640 -D $(CURDIR)/contrib/ngircd.service \
+	    $(CURDIR)/lib/systemd/system/ngircd.service
 	# make lintian happy
 	rm $(CURDIR)/debian/ngircd/usr/share/doc/ngircd/COPYING
 	mv $(CURDIR)/debian/ngircd/usr/share/doc/ngircd/ChangeLog \