Add Binary instances

src/Dodge/Data/Distortion.hs

@@ -5,14 +5,16 @@
 
 module Dodge.Data.Distortion where
 
-import Data.Aeson
-import Data.Aeson.TH
+import Data.Binary
 import Flat
 import Geometry
 import LinearHelp ()
+import Data.Aeson
+import Data.Aeson.TH
 
 data Distortion
     = RadialDistortion Point2 Point2 Point2 Float
     deriving (Eq, Ord, Show, Read, Generic, Flat)
+instance Binary Distortion
 
 deriveJSON defaultOptions ''Distortion