Fix PEM key parsing — handle escaped newlines from HF Spaces

Add root endpoint for HF Spaces health check

Add HF Spaces metadata to README

Remove binary assets for HF Spaces compatibility

Add Dockerfile for Hugging Face Spaces deployment

Add Railway deployment config — Procfile, runtime.txt, nixpacks.toml

Support PEM key from env var for cloud deployment (Railway/Render)

Fix CI — add dummy GROQ_API_KEY for test environment

Fix all ruff lint issues — 0 errors, 92 tests passing

Add screenshots to README — PR review, dashboard, repo detail, PR detail

Merge branch 'main' of https://github.com/ninjacode911/Project-Ninja-Code-Guard

initial - commit

Initial commit