bug: fix broken introduction link

Signed-off-by: vsoch <vsoch@users.noreply.github.com>

adding anticipated special issue

We will use this repository to write our portion / the introduction
and as a reference for the start of the converged computing
effort! There will eventually be a site here, for now it is
just a README with some light metadata and a TBA doi

Signed-off-by: vsoch <vsoch@users.noreply.github.com>