Retry HF push on transient failures (Space busy building)

Harden HF deploy workflow: fail clearly if HF_TOKEN missing, reset remote

fix: add explicit cv2.data import, add onnxruntime to CI deps

fix: let Docker own React build, add .dockerignore, simplify deploy workflow

fix: remove broken firebase inject step from deploy workflow

fix: update deploy workflow firebase.js to use signInWithRedirect

fix: update HF Space URL to aditya-rAj19/FaceSWAP

feat: add real Firebase config and update deploy workflow

feat: CI/CD pipeline + Docker + HuggingFace Spaces deployment