Fix configs YAML globs: use train*parquet instead of char-class [t]rain

Fix configs YAML: [t]rain/[v]alidation char-class glob for missing-file tolerance

Remove 7 stale file(s) from prior push

Upload Multimodal-Mind2Web batch 1

Fix HF configs YAML globs (use /*/ not /**/)

Upload Multimodal-Mind2Web batch 1

initial commit