Update README with project details and documentation

Clean up

fix: switch to Dockerfile for Railway deployment

fix: use python -m pip for Railway nixpacks

feat: add Railway deployment config

fix: python version

Added Procfile for railway deployment

docs: add professional README

fix: correct loadDashboard function scope in dashboard.html

fix: handle warming up state across all endpoints and templates

fix: run ML pipeline in background thread to avoid port scan timeout

fix: use include='object' for pandas compatibility on Render

fix: auto-run ML pipeline on startup if models missing

fix: move ML pipeline to startup to persist pkl files

fix: use build.sh to ensure ML pipeline runs correctly on Render