Update setup.cmd with real HF URLs, 7z download+extract, and correct .env variable names

Add database archive volume 3 of 4 (9.88 GB)

Add database archive volume 4 of 4 (9.88 GB)

Add database archive volume 2 of 4 (9.88 GB)

Add database archive volume 1 of 4 (9.88 GB)

Add Dockerfile, docker-compose, setup script, SQL stored procedures, schema docs, and indexes

Upload README.md with huggingface_hub

initial commit