docs: connect Hub visitors to the live ArtifactNet demo

docs: route contact email to contact@intrect.io

docs: add arXiv 2604.16254 paper citation

Add patent pending notice (KR + PCT)

Clarify: ONNX inference build only, raw weights not released

Update: NonCommercial license emphasis + v9.4 fair eval metrics

Upload artifactnet_v94_full.onnx.data with huggingface_hub

Upload artifactnet_v94_full.onnx with huggingface_hub

Upload README.md with huggingface_hub

initial commit