Remove crawl from deploy and setup so crawl can be triggered independently from host

[bmann]

Right now, the Docker file builds lieu from scratch and deploys it to Railway, and also runs the crawl scripts.

We'd like to remove the crawl instructions from the deploy, and allow it to be triggered separately.

Roughly, this would mean connecting to to the Docker container, and running the lieu crawl commands.

This should be triggered

• every time the website changes (so hook this into Github Actions)
• periodically, maybe once in the middle of the night