* docker-example overhaul
Update docker-example with a more realistic multi-compose deployment, and
also a more simplistic single-image deploy.
* Use `uv` for faster bootstrapping
* Separate simple and production-ready docker files
* Split compose.yaml into 3 parts
* Persist sqlite db and tls keys
* Include postgres and redis
* Include Adminer and redis-commander for adminstration
* Suppose upload persistence
* Update documentation
* Update Caddyfile for compatibility with new Upload API
* Simple Dockerfile: keep `reflex export --frontend-only`
Pre-pack the resulting image with npm dependencies to reduce startup time
* Simplify simple docker file to just use pip
