Basically putting all the translation stuff together before I refactor things to use it.

scripts/Quest/Quest.gd

@@ -1,6 +1,6 @@
 class_name Quest extends Node
 
-@export var questName:String = "Some quest"
+@export var title:String = ""
 @export var questKey:QuestSystem.QuestKey = QuestSystem.QuestKey.TEST_QUEST
 
 var questStarted:bool = false

scripts/Quest/QuestObjective.gd

@@ -4,7 +4,7 @@ enum Type {
 	Item,
 }
 
-@export var objectiveName:String = "Some objective"
+@export var title:String = ""
 @export var objectiveType:Type = Type.Item
 
 @export var itemType:Item.Type = Item.Type.POTION