Remove Fly.io and GitHub Actions workflows

fix: default all pipeline modes to available in ModelSelector

fix: model paths (.pth), landmark normalization, WS URL, GPU fallback; add ModelSelector; mobile layout improvements

Update README.md

docs: rewrite README with full project docs, architecture, team & contributors

Merge branch 'main' of https://github.com/devrajsinh2012/Sanket-Setu

feat: serve full-stack app from single HF Space container

Clean up README by removing metadata

Merge branch 'main' of https://github.com/devrajsinh2012/Sanket-Setu

fix: restore emoji in HF Spaces README frontmatter

chore: merge HF Spaces initial commit - use HF LFS gitattributes

chore: migrate backend deployment from Fly.io to Hugging Face Spaces

initial commit

Remove overview section from README

Initial commit: SanketSetu - Sign Language Recognition System