agg add file, skip foil api pricing, update pricing algo

app/services/tcgplayer_api.py

@@ -147,6 +147,10 @@ class TCGPlayerAPIService:
         if not manabox_card or not tcgplayer_card:
             logger.warning(f"Card with product id {product_id} missing in either Manabox or TCGPlayer")
             return None
+        mbfoil = manabox_card.foil
+        if str.lower(mbfoil) == 'foil':
+            logger.warning(f"Card with product id {product_id} is foil, skipping")
+            return None
         # get scryfall id, tcgplayer id, and tcgplayer sku
         scryfall_id = manabox_card.scryfall_id
         tcgplayer_sku = tcgplayer_card.tcgplayer_id