remove llm-annotation track + supervised subdir (rolling back)

restore original README, remove llm-annotation work

restore glof_dataset.parquet at root

remove TSV (replaced by parquet)

supervised config now uses parquet

convert supervised config from TSV to parquet

restore dataset README (was overwritten by leaderboard README)

link leaderboard space

restructure configs: rename default->supervised, list-style paths

refresh dataset viewer cache

add llm-annotation parquet splits

add llm-annotation benchmark config

Upload fig_bidirectional_structures.pdf with huggingface_hub

Upload folder using huggingface_hub

initial commit