Fix broken blueprint trades

Author: eccentricdevotion

src/main/java/me/eccentric_nz/TARDIS/TARDIS.java

@@ -1443,7 +1443,7 @@ private void loadCustomConfigs() {
                 "monsters.yml",
                 "regeneration.yml", "rooms.yml",
                 "shop.yml", "system_upgrades.yml",
-                "tag.yml", "trades",
+                "tag.yml", "trades.yml",
                 "vortex_manipulator.yml"
         );
         for (String f : files) {