start group system

ReallifeGamemode.Server/Entities/GroupBankAccount.cs

@@ -0,0 +1,20 @@
+using ReallifeGamemode.Server.Util;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Text;
+
+namespace ReallifeGamemode.Server.Entities
+{
+    public class GroupBankAccount : IBankAccount
+    {
+        [Key]
+        [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
+        public int Id { get; set; }
+
+        public Group Group { get; set; }
+
+        public int Balance { get; set; }
+    }
+}