Overview and details articles on survival metrics (#25)

* add articles on survival metrics

* render with `latest` quarto version

(latest = latest release version)

* `theme_bw()` for all plots

* add censored and prodlim to installs.R

* re-render

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Co-authored-by: Emil Hvitfeldt <[email protected]>
Co-authored-by: Max Kuhn <[email protected]>

Author: 3 people