Move from store to flat

src/Dodge/Data/Modification.hs

@@ -1,8 +1,11 @@
+{-# LANGUAGE DeriveGeneric #-}
+{-# LANGUAGE DeriveAnyClass #-}
 {-# LANGUAGE StrictData #-}
 {-# LANGUAGE TemplateHaskell #-}
 
 module Dodge.Data.Modification where
 
+import Flat
 import LinearHelp
 import Control.Lens
 import Data.Aeson
@@ -27,8 +30,7 @@ data Modification
         , _mdExternalID2 :: Int
         , _mdUpdate :: MdWdWd
         }
-    deriving (Eq, Ord, Show, Read)
+    deriving (Eq, Ord, Show, Read, Generic, Flat)
 
 makeLenses ''Modification
 deriveJSON defaultOptions ''Modification
-$($(derive [d| instance Deriving (Store Modification) |]))