Update to v0.5 export: 1114 trials, [-1,+2]s @1000Hz , 8 in-ear + 122 scalp; integrated README; drop stale v0.2.0 files

Mark pre-v0.4 Motor files as legacy

Fix dataset card metadata

Document Motor processing and hierarchy

Upload paper-aligned ear Motor H5

Upload paper-aligned scalp Motor H5

Upload motor-in-ear-eeg.h5 with huggingface_hub

Upload motor-scalp-eeg.h5 with huggingface_hub

Upload README.md with huggingface_hub

initial commit