Move Haskell package to top level

cabal.project

@@ -1,4 +1,4 @@
-packages: haskell
+packages: .
 
 -- TODO a total hack
 package garnet

generate-bindings

@@ -11,7 +11,7 @@ set -euo pipefail
 
 SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
 RUST_DIR="$SCRIPT_DIR/rust"
-HASKELL_DIR="$SCRIPT_DIR/haskell"
+HASKELL_DIR="$SCRIPT_DIR"
 HEADER_NAME="garnet_rs.h"
 HEADER="$RUST_DIR/$HEADER_NAME"
 
@@ -124,4 +124,4 @@ hs-bindgen-cli preprocess \
 
 echo "=== Done ==="
 echo "Generated Haskell bindings in $HASKELL_DIR/generated/"
-echo "Run 'cabal run garnet' to test."
+echo "Run 'cabal run' to test."