307 substances with LLM-enriched fields + page text

Delete pw_erowid_crossref.jsonl

Delete psychonaut_tripsit_erowid_xref.jsonl

Add dataset card / README

3-way cross-reference: PW ↔ TripSit ↔ Erowid (normalized substance joining)

117 substances cross-referenced between PW and Erowid (names + common_names + slang)

314 psychoactive substances with all 18 GraphQL fields (dosing, tolerance, interactions, reagents, images, etc.)

initial commit