feat(client): CanonLog.add_quest/has_quest for offer_quest

client/scripts/canon_log/canon_log.gd

@@ -58,6 +58,20 @@ func adjust_disposition(id: String, delta: int) -> bool:
 	return true
 
 
+func has_quest(id: String) -> bool:
+	for q in active_quests:
+		if q.id == id:
+			return true
+	return false
+
+
+func add_quest(id: String, name: String, objective: String) -> bool:
+	if has_quest(id):
+		return false
+	active_quests.append(Quest.new(id, name, "active", objective))
+	return true
+
+
 func set_quest_status(id: String, status: String) -> bool:
 	for q in active_quests:
 		if q.id == id: