React to Client changes and show them in Lobby.razor.

I tested this on Multiplayer and realized pretty much everything is broken and I haven't been thinking about networking enough.
Will start fixing tomorrow.

code/UI/Lobby.razor

@@ -1,20 +1,49 @@
 @namespace LuckerParty.UI
-@using System
 @inherits PanelComponent
+@using System
+@using System.Collections.Immutable
+@implements NetworkManager.IClientEvent
 
 <root>
 	<div class="title">This is the Lobby</div>
+	@foreach ( var client in _clients )
+	{
+		<div>@client.Name</div>
+	}
 </root>
 
 @code
 {
-	public List<Client> Clients { get; set; }
+	private ImmutableList<Client> _clients;
+	private NetworkManager _networkManager;
+
+	protected override void OnStart()
+	{
+		base.OnStart();
+		_networkManager = Scene.GetComponentInChildren<NetworkManager>();
+		UpdateClients();
+	}
+
+	void NetworkManager.IClientEvent.OnConnected( Client client )
+	{
+		UpdateClients();
+	}
+
+	void NetworkManager.IClientEvent.OnDisconnected( Client client )
+	{
+		UpdateClients();
+	}
+
+	private void UpdateClients()
+	{
+		_clients = _networkManager.Clients.Sort( ( clientA, clientB ) => DateTimeOffset.Compare( clientA.ConnectionTime, clientB.ConnectionTime ) );
+	}
 
 	/// <summary>
 	///     the hash determines if the system should be rebuilt. If it changes, it will be rebuilt
 	/// </summary>
 	protected override int BuildHash()
 	{
-		return HashCode.Combine( Clients );
+		return HashCode.Combine( _clients );
 	}
 }