Added audio settings

client/ui/settings/audio/AudioBusVolume.gd

@@ -0,0 +1,21 @@
+@tool
+extends Slider
+
+var bus := -1
+
+func _ready():
+	bus = AudioServer.get_bus_index(get_parent().name)
+	var db := AudioServer.get_bus_volume_db(bus)
+	var linear := db_to_linear(db)
+	set_value_no_signal(linear)
+
+func on_value_changed(new_value: float):
+	AudioServer.set_bus_volume_db(bus, linear_to_db(new_value))
+
+func _get_configuration_warnings() -> PackedStringArray:
+	var warnings := []
+
+	if AudioServer.get_bus_index(get_parent().name) == -1:
+		warnings.append("Invalid audio bus name: %s" % get_parent().name)
+	
+	return warnings