Fix inclusion path in haskell script

scripts/ML/split.hs

-#!/usr/bin/env -S runhaskell --ghc-arg="-Wall" --ghc-arg="-i lib" --ghc-arg="-fprint-potential-instances"
+#!/usr/bin/env -S runhaskell --ghc-arg="-Wall" --ghc-arg="-i lib/haskell" --ghc-arg="-fprint-potential-instances"
 import Data.Text as Text (Text)
 import Data.Text.IO as Text (getContents, writeFile)
 import System.Environment (getArgs)