added small glowing cube for use on top of short lampposts (e.g. yard lights).

Made using one stick above one moreblocks super glow glass (same sort of recipe
used for other microblocks, but this one's centered on the bottom face of the
node).

crafts.lua

@@ -1109,4 +1109,11 @@ minetest.register_craft({
 	}
 })
 
+minetest.register_craft({
+        output = "homedecor:glowlight_small_cube 8",
+        recipe = {
+		{"default:stick" },
+		{"moreblocks:superglowglass" },
+	}
+})