Reapplied various AI changes from previous atempt at improving the AI, split function code move score changes into handlers

Data/Scripts/015_Trainers and player/001_Trainer.rb

@@ -19,6 +19,10 @@ class Trainer
     return _INTL("{1} {2}", trainer_type_name, @name)
   end
 
+  def skill_level
+    return GameData::TrainerType.try_get(:trainer_type)&.skill_level || 0
+  end
+
   #=============================================================================
 
   # Portion of the ID which is visible on the Trainer Card