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

scripts/ConnectButtonUI.cs

@@ -0,0 +1,23 @@
+using Godot;
+using System;
+
+public partial class ConnectButtonUI : Button
+{
+	[Export] public TextEdit addressUI;
+	[Export] public Label errorLabel;
+	[Export] public PackedScene nextScene;
+	
+	public override void _Pressed()
+	{
+		if (Connection.Instance.Connect(addressUI.Text))
+		{
+			GD.Print("Success!");
+			GetTree().ChangeSceneToPacked(nextScene);
+		}
+		else
+		{
+			errorLabel.Text = "Couldn't connect to server!";
+		}
+		base._Pressed();
+	}
+}