Created Group object.

added Group list to User object for UI to bind to in order to show list of associated groups etc.
#59

DataCenter_Windows/WindowsDataCenter/Interfaces/Group.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Interfaces
+{
+    public class Group
+    {
+        public int Id { get; set; }
+        public string Name { get; set; }
+        public int UserCount { get; set; }
+        public bool IsAssociatedToUser { get; set; }
+    }
+}

DataCenter_Windows/WindowsDataCenter/Interfaces/Interfaces.csproj

@@ -42,6 +42,7 @@
   <ItemGroup>
     <Compile Include="AppDetails.cs" />
     <Compile Include="DailyLogs.cs" />
+    <Compile Include="Group.cs" />
     <Compile Include="ILogger.cs" />
     <Compile Include="IRepository.cs" />
     <Compile Include="Identifier.cs" />

DataCenter_Windows/WindowsDataCenter/Interfaces/User.cs

@@ -23,6 +23,7 @@ namespace Interfaces
         public DateTime LastEventDateTime { get; set; }
         public List<Identifier> AssociatedIdentifiers { get; set; }
 
+        public List<Group> Groups { get; set; }
         public bool State { get; set; }
     }
 }