conforms file names to consistant standard

scripts/singleplayer_lobby.gd

@@ -0,0 +1,18 @@
+class_name SinglePlayerLobby
+extends Lobby
+
+
+func _ready() -> void:
+	enet_peer.create_server(Data.DEFAULT_SERVER_PORT, 1)
+	multiplayer.multiplayer_peer = enet_peer
+	enet_peer.refuse_new_connections = true
+
+
+func setup_game() -> void:
+	loadout_editor = character_select_screen.instantiate() as CharacterSelect
+	loadout_editor.hero_confirmed.connect(start_game)
+	add_child(loadout_editor)
+	chatbox.username = Data.player_profile.display_name
+	Data.player_profile.display_name_changed.connect(chatbox.change_username)
+	loadout_editor.hero_selected.connect(Data.player_profile.set_preferred_class)
+	connected_players_profiles[1] = Data.player_profile