Add files via upload

Delete frontend directory

Merge: keep .env entries in frontend .gitignore

Update frontend .gitignore to exclude .env files

Delete frontend directory

Update folder structure

Fix Vercel Node Engine Lock for proper GitHub deployment

Fix Vercel build config and dependency resolution

Add concurrent start setup

Merge remote-tracking branch 'origin/main'

Update TransitFlow AI Prediction Dashboard and About pages

Update README.md

Integrated footer and updated UI components

Fix project structure and push all files, including frontend

Delete .gitmodules