add burble's dn42 RC

protocols/dn42/grc.conf

@@ -0,0 +1,25 @@
+protocol bgp dn42_grc {
+	description "dn42: Global Route Collector (burble)";
+	local fd42:4dd0:ff00::1 as my_dn42_asn;
+	neighbor fd42:4242:2601:ac12::1 as 4242422602;
+
+	multihop;
+
+	ipv4 {
+		add paths tx;
+
+		table dn42_v4;
+
+		export all;
+		import none;
+	};
+
+	ipv6 {
+		add paths tx;
+
+		table dn42_v6;
+
+		export all;
+		import none;
+	};
+}