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

scenes/bracket_view.tscn

@@ -0,0 +1,23 @@
+[gd_scene load_steps=2 format=3 uid="uid://rl33x81cxlh0"]
+
+[ext_resource type="Script" uid="uid://dm25u0a2lqk2x" path="res://scripts/BracketScene.cs" id="1_dvj3m"]
+
+[node name="BracketView" type="Control" node_paths=PackedStringArray("players")]
+layout_mode = 3
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+script = ExtResource("1_dvj3m")
+players = NodePath("Tree")
+
+[node name="Tree" type="Tree" parent="."]
+layout_mode = 1
+anchors_preset = 9
+anchor_bottom = 1.0
+offset_right = 348.0
+grow_vertical = 2
+columns = 3
+column_titles_visible = true
+scroll_horizontal_enabled = false