feat: Start of bracket screen, main menu connect screen done, connection fixes

scripts/BracketScene.cs

@@ -0,0 +1,46 @@
+using Godot;
+using System;
+using System.Collections.Generic;
+
+public partial class BracketScene : Control
+{
+	[Export] public Tree players;
+	
+	public override void _Ready()
+	{
+		players.SetColumnTitle(0, "Name");
+		players.SetColumnTitle(1, "Ready");
+		players.SetColumnTitle(2, "Playing");
+		
+		Connection.Instance.OnUpdatedPlayers += UpdatePlayers;
+		Connection.Instance.OnBecomeAdmin += BecomeAdmin;
+		Connection.Instance.OnWatchGameAck += TransitionToBoard;
+	}
+
+	public override void _ExitTree()
+	{
+		Connection.Instance.OnUpdatedPlayers -= UpdatePlayers;
+	}
+
+	private void UpdatePlayers(List<PlayerData> playerList)
+	{
+		players.Clear();
+		foreach (var playerData in playerList)
+		{
+			var item = players.CreateItem();
+			item.SetText(0, playerData.username);
+			item.SetText(1, playerData.isReady ? "Yes" : "No");
+			item.SetText(2, playerData.isPlaying ? "Yes" : "No");
+		}
+	}
+
+	private void BecomeAdmin()
+	{
+		// TODO
+	}
+
+	private void TransitionToBoard()
+	{
+		// TODO
+	}
+}