wip: created models dir, made some adjustments

wip, healing via item is not working the way it's supposed to

Models/ServerPlayer.cs

@@ -0,0 +1,17 @@
+using Terraria.ID;
+using TShockAPI;
+
+namespace TerrariaHealingPlugin.Models
+{
+    public class ServerPlayer
+    {
+        public TSPlayer player { get; set; }
+        public int healAmount { get; set; } = 0;
+        public int healItem { get; set; } = ItemID.None;
+
+        public ServerPlayer(TSPlayer player)
+        {
+            this.player = player;
+        }
+    }
+}