Fix Dockerfile references and add correct app.py file

Deploy simplified Python demo version for faster build and deployment

Optimize Docker build for faster compilation and avoid timeouts

Use Rust nightly toolchain for full edition2024 support

Update Rust version to 1.81 for edition2024 support

Deploy Brain AI v0.8.0 to Hugging Face Spaces - 2025-08-07 12:23:37 EDT