refactor: reorganize networking and data bridge scenes

* Move networking scenes under `controllers/networking`
* Move data bridge scene under `scenes/data`
* Rename the bridge node to `data_bridge`
* Update lobby UI scene path
* Remove unused lobby RPC node/script

controllers/networking/game_client.gd

@@ -0,0 +1,42 @@
+class_name GameClient extends ClientNetworking
+
+
+func _ready() -> void:
+	setup_signals()
+
+
+func setup_signals() -> void:
+	MessageBus.subscribe("game_start_client", _start_client)
+
+	MessageBus.subscribe("game_wait_for_connection", _wait_for_connection)
+	MessageBus.subscribe("game_close_connection", _wait_close_connection)
+	MessageBus.subscribe("game_peer_disconnected", _on_game_peer_disconnected)
+
+func _start_client(address: String = "127.0.0.1", port: int = 8080) -> void:
+	if peer: return
+	start_client(address, port)
+
+func _on_game_peer_disconnected() -> void:
+	close_connection()
+
+	Globals.multiplayer_data.reset()
+	Globals.lobby_data.go_back_to_match_screen()
+	MessageBus.clear_voided_listeners()
+
+func client_connected_to_server() -> void:
+	push_warning("Connected to server!")
+
+func close_connection() -> void:
+	if not peer: return
+
+	push_warning("Disconnected from, server...")
+
+	unset_client()
+
+func client_disconnected_from_server() -> void:
+	push_warning("Disconnected from, server...")
+
+func client_connection_failed_to_server() -> void:
+	push_warning("Connection failed!")
+
+	unset_client()

controllers/networking/game_client.gd.uid

@@ -0,0 +1 @@
+uid://cjtu1d1j35r32

controllers/networking/game_client.tscn

@@ -0,0 +1,6 @@
+[gd_scene load_steps=2 format=3 uid="uid://cbvv2msu13vr2"]
+
+[ext_resource type="Script" uid="uid://cjtu1d1j35r32" path="res://controllers/networking/game_client.gd" id="1_tea1p"]
+
+[node name="client_net" type="Node"]
+script = ExtResource("1_tea1p")

controllers/networking/game_server.gd

@@ -0,0 +1,31 @@
+class_name GameServer extends ServerNetworking
+
+
+func _ready() -> void:
+	setup_signals()
+
+
+func setup_signals() -> void:
+	pass
+
+func server_client_connected(id: int) -> void:
+	push_warning("Client Connected... ID: ", id)
+
+	if not Globals.game_data.client1:
+		Globals.game_data.client1 = id
+	elif not Globals.game_data.client2:
+		Globals.game_data.client2 = id
+
+	if Globals.game_data.client1 and Globals.game_data.client2:
+		Globals.multiplayer_data.init_match()
+
+	# TODO: Add watch match feature...
+
+func server_client_disconnected(id: int) -> void:
+	push_warning("Client Disconnected... ID: ", id)
+
+	MessageBus.emit_propagation_clients_only.rpc("game_peer_disconnected", null)
+
+	await get_tree().create_timer(5.0).timeout
+	# NOTE: Quits game server instance.
+	get_tree().quit()

controllers/networking/game_server.gd.uid

@@ -0,0 +1 @@
+uid://bndylf4rwtlkn

controllers/networking/game_server.tscn

@@ -0,0 +1,6 @@
+[gd_scene load_steps=2 format=3 uid="uid://bss61m8hfvab3"]
+
+[ext_resource type="Script" uid="uid://bndylf4rwtlkn" path="res://controllers/networking/game_server.gd" id="1_3xapr"]
+
+[node name="server_net" type="Node"]
+script = ExtResource("1_3xapr")