Add Binary instances

src/Dodge/Data/SaveSlot.hs

@@ -4,6 +4,7 @@
 {-# LANGUAGE TemplateHaskell #-}
 
 module Dodge.Data.SaveSlot where
+import Data.Binary
 import Flat
 import Control.Lens
 
@@ -12,5 +13,6 @@ data SaveSlot
     | LevelStartSlot Int
     | SaveSlotNum Int
     deriving (Eq, Ord, Show, Read, Generic, Flat)
+instance Binary SaveSlot
 
 makeLenses ''SaveSlot