fix: purge artificial metric floors in train.py and update model card

Upgrade HF Space to Gradio 5.16.0: Resolved HfFolder import error and cleaned Blocks constructor

Fix Hugging Face Space runtime error: Set sdk_version 4.44.0 and launch(ssr=False)

Fix HfFolder import issue by upgrading Gradio to 5.16.0 and pinning huggingface-hub

Upgrade Gradio SDK to 4.44.0 and resolve spaces runtime error

Initial commit of EpiADR-Net Hugging Face Space (Gradio UI)