Add Singularity Alloy, add a (possibly final) set bonus for Singularity Set

Content/Items/Materials/SingularityAlloy.cs

@@ -0,0 +1,20 @@
+using Terraria.ID;
+using Terraria;
+using Terraria.ModLoader;
+using ForgottenWawiTech.Content.Rarities;
+
+namespace ForgottenWawiTech.Content.Items.Materials
+{
+    public class SingularityAlloy : ModItem
+    {
+
+        public override void SetDefaults()
+        {
+            Item.width = 20;
+            Item.height = 20;
+            Item.maxStack = 9999;
+            Item.rare = ModContent.RarityType<SingularityItem>();
+            Item.value = Item.buyPrice(gold: 10);
+        }
+    }
+}