Searches provided source file for [[[ formula ]]] and [[[! block formula ]]], uses typst to render the formulas into svg placed in output, and replaces them in the formula with <img>s.

cargo run -- ../website/txt/2025-06-05-typst-equations.html --output ../website/img/eq/ --path "/img/eq/"

• ../website/txt/2025-06-05-typst-equations.html is the path to the html file to process
• ../website/img/eq/ is the path to the folder where the generated images should be placed
• "/img/eq/" is the path-prefix to be used in the html.