chore: add atmosgen-api/ to .gitignore

chore: remove accidentally tracked atmosgen-api subdir

chore: remove .env.example files

chore: remove legacy deployment files (Railway, Render, SQLite, Supabase)

fix: defer heavy imports + fix MongoDB SSL on Render

Trying to Fix Render Issues

fix: lazy model loading to prevent Gunicorn worker timeout on Render

Fixed Errors

Update README.md

Added Screenshots

fix: update start.sh to run main:app with proper timeout

feat: add cloud segmentation model, update frontend UI, clean up project

Added MongoDB

Fix frontend upload functionality

Restore full backend functionality