Problem with et al. and Citation Style

[robertjndw]

The current citation style isn't properly configured to meet the chair's citation standards. While we prefer the alphanumeric style, there are still issues, particularly with handling multiple authors. At present, all authors are listed when using #cite(<citation>, form: "prose").

A potential solution could be to include a custom CSL style based on the official alphanumeric style used by Typst. The specific style can be found here: DIN 1505-2 Alphanumeric CSL. The style could be copied and adapted to correctly display the citations as required.