feat: Read and Show for all the types

scalie.cabal

@@ -19,11 +19,8 @@ extra-source-files:
 
 library
   exposed-modules:
-      Control.Ord.LexicographicallySorted
       Data.Map.Implicit
-      Language.Scalie.Ast
       Language.Scalie.Ast.Definition
-      Language.Scalie.Ast.Definition.Body
       Language.Scalie.Ast.Expression
       Language.Scalie.Ast.Module
       Language.Scalie.Ast.Pattern
@@ -33,6 +30,7 @@ library
   hs-source-dirs:
       src
   default-extensions:
+      DerivingStrategies
       ImportQualifiedPost
       NoImplicitPrelude
       StandaloneKindSignatures
@@ -52,6 +50,7 @@ executable scalie-exe
   hs-source-dirs:
       app
   default-extensions:
+      DerivingStrategies
       ImportQualifiedPost
       NoImplicitPrelude
       StandaloneKindSignatures
@@ -73,6 +72,7 @@ test-suite scalie-test
   hs-source-dirs:
       test
   default-extensions:
+      DerivingStrategies
       ImportQualifiedPost
       NoImplicitPrelude
       StandaloneKindSignatures