Use GoalData for everything

idles/generators/secondary_generator.tres

@@ -2,6 +2,7 @@
 
 [ext_resource type="Script" uid="uid://dnhocfsuvmeyb" path="res://core/generator/generator_buff_data.gd" id="1_d86db"]
 [ext_resource type="Script" uid="uid://b00tqsuhxdy0d" path="res://core/generator/currency_generator_data.gd" id="1_s3g28"]
+[ext_resource type="Resource" uid="uid://qyxct5gbrxwa" path="res://idles/goals/magic_total_30.tres" id="2_r2b8m"]
 
 [resource]
 script = ExtResource("1_s3g28")
@@ -9,6 +10,8 @@ id = &"Knowledge"
 name = "Library"
 starts_unlocked = false
 starts_available = false
+unlock_goal = ExtResource("2_r2b8m")
+unlock_goal_behavior = 1
 initial_cost = 60.0
 initial_time = 3.0
 initial_revenue = 60.0