How to dev locally?

We need two things.

1. The engine quarto. We just need that page's step-one CLI download. It should be a simple curl or wget command on the terminal. Or on MacOS, just a download and one-click installation. If the installation goes right, the executable quarto should be callable from the terminal.

2. Clone this repo. In the terminal, cd into the root of this repo. Run quarto preview. If all goes well, a localhost:<some_port> link will pop up, and a browser tab will open. That tab will be "live": i.e. it'd be updated as we make local changes.

In terms of content, book chapter source files are those *.qmd files. The qmd syntax is almost identical to markdown (which itself is pretty close to LaTeX). The qmd files are converted to html by quarto and then served on the website.