Added reference project

ref/Entities/User.cs

@@ -0,0 +1,55 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Threading.Tasks;
+
+namespace Discord
+{
+	public class User : IModel<ulong>
+    {
+        public DiscordClient Client { get; }
+        
+        public ulong Id { get; }
+        public Server Server { get; }
+        
+        public string Name { get; }
+        public ushort Discriminator { get; }
+        public string AvatarId { get; }
+        public string CurrentGame { get; }
+        public UserStatus Status { get; }
+        public DateTime JoinedAt { get; }
+        public DateTime? LastActivityAt { get; }
+        
+        public Channel PrivateChannel => null;
+        public string Mention => null;
+        public bool IsSelfMuted => false;
+        public bool IsSelfDeafened => false;
+        public bool IsServerMuted => false;
+        public bool IsServerDeafened => false;
+        public bool IsServerSuppressed => false;
+        public DateTime? LastOnlineAt => null;
+        public Channel VoiceChannel => null;
+        public string AvatarUrl => null;
+        public IEnumerable<Role> Roles => null;
+        
+        public IEnumerable<Channel> Channels => null;
+
+        public Task Kick() => null;
+
+        public ServerPermissions ServerPermissions => default(ServerPermissions);
+        public ChannelPermissions GetPermissions(Channel channel) => default(ChannelPermissions);
+        
+        public Task<Channel> CreatePMChannel() => null;
+
+        public Task<Message> SendMessage(string text) => null;
+        public Task<Message> SendFile(string filePath) => null;
+        public Task<Message> SendFile(string filename, Stream stream) => null;
+
+        public bool HasRole(Role role) => false;
+
+        public Task AddRoles(params Role[] roles) => null;
+        public Task RemoveRoles(params Role[] roles) => null;
+
+        public Task Save() => null;
+    }
+}