Add Multiplayer Demo

lobbyListItem.tscn

@@ -0,0 +1,20 @@
+[gd_scene format=3 uid="uid://b82x5u0b3cpwv"]
+
+[ext_resource type="Script" uid="uid://cqixg3gdwlwj5" path="res://lobby_list_item.gd" id="1_s80bd"]
+
+[node name="HBoxContainer" type="HBoxContainer" unique_id=928830224]
+script = ExtResource("1_s80bd")
+lobby = {
+"LobbyName": "ABC"
+}
+
+[node name="Label" type="Label" parent="." unique_id=1285645000]
+layout_mode = 2
+size_flags_horizontal = 3
+text = "Name: LobbyName"
+
+[node name="Button" type="Button" parent="." unique_id=1078250063]
+layout_mode = 2
+text = "Join"
+
+[connection signal="pressed" from="Button" to="." method="_on_button_pressed"]