Fixes forgotten hardcoded path in the original recipe (#1438)

* Adds fleurs recipe

* Black formatting

* Removes useless num_jobs argument in the download cli, and ran isort and black again on *recipes/fleurs.py

* Removes what appears to be an unnecessary set_ffmpeg_torchaudio_info call

* isort and black fix

* Fixes remaining black issues due to trailing space in recipes/__init__.py

* Adds FLEURS entry in docs/corpus.rst

* Fixes hardcoded cache path in huggingface datasets loader

lhotse/recipes/fleurs.py

@@ -236,7 +236,7 @@ def _identity(x):
         fleurs = load_dataset(
             "google/fleurs",
             language,
-            cache_dir="/expscratch/mwiesner/geolocation/test",
+            cache_dir=target_dir,
             streaming=True,
             split=split,
         )