Added all the base code for managing world-scope groups.

FFXIVClassic World Server/DataObjects/Group/LinkshellMember.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FFXIVClassic_World_Server.DataObjects.Group
+{
+    class LinkshellMember
+    {
+        public readonly uint charaId;
+        public readonly ulong lsId;
+        public readonly ushort slot;
+        public readonly ushort rank;
+        
+        public LinkshellMember(uint charaId, ulong lsId, ushort slot, ushort rank)
+        {
+            this.charaId = charaId;
+            this.lsId = lsId;
+            this.slot = slot;
+            this.rank = rank;
+        }
+    }
+}