Add mg support

mg.lua

@@ -0,0 +1,46 @@
+mg.register_ore({
+	name = "moreores:mineral_tin",
+	wherein = "default:stone",
+	seeddiff = 8,
+	maxvdistance = 10.5,
+	maxheight = 8,
+	seglenghtn = 15,
+	seglenghtdev = 6,
+	segincln = 0,
+	segincldev = 0.6,
+	turnangle = 57,
+	forkturnangle = 57,
+	numperblock = 2
+})
+
+mg.register_ore({
+	name = "moreores:mineral_silver",
+	wherein = "default:stone",
+	seeddiff = 9,
+	maxvdistance = 10.5,
+	maxheight = -2,
+	seglenghtn = 15,
+	seglenghtdev = 6,
+	sizen = 60,
+	sizedev = 30,
+	segincln = 0,
+	segincldev = 0.6,
+	turnangle = 57,
+	forkturnangle = 57,
+	numperblock = 2
+})
+
+mg.register_ore({
+	name = "moreores:mineral_mithril",
+	wherein = "default:stone",
+	seeddiff = 10,
+	maxvdistance = 10.5,
+	maxheight = -512,
+	seglenghtn = 2,
+	seglenghtdev = 4,
+	sizen = 12,
+	sizedev = 5,
+	segincln = 0,
+	segincldev = 0.6,
+	turnangle = 57,
+})