fix: Add HF Spaces YAML config and brain emoji favicon

feat: Add professional HTML landing page for backend

docs: Add comprehensive README with deployment info and architecture

Fix Vercel build: Ignore CI warnings

Trigger Vercel Redeploy

Add vercel.json to fix 404 routing

Fix HF Spaces config: Move Dockerfile to root and add metadata

Configure for HF Spaces deployment - Removed large CSV

docker_add

Delete FIX_SQLALCHEMY_F405.md

Delete COMPLETE_FIX_SUMMARY.md

Delete CHANGES_IMAGE_PREVIEW_FIX.md

Initial commit of MEXAR Ultimate - Phase 2 cleanup complete