Add Store instances

src/Dodge/Data/Distortion.hs

@@ -5,6 +5,8 @@
 
 module Dodge.Data.Distortion where
 
+import TH.Derive
+import Data.Store
 import Data.Binary
 import Flat
 import Geometry
@@ -15,6 +17,6 @@ import Data.Aeson.TH
 data Distortion
     = RadialDistortion Point2 Point2 Point2 Float
     deriving (Eq, Ord, Show, Read, Generic, Flat)
-instance Binary Distortion
+$($(derive [d| instance Deriving (Store Distortion) |]))
 
 deriveJSON defaultOptions ''Distortion