doc: add links to inline HTML table

Links in crypto.md table have been autolinking, but correct
Markdown processing will not autolink in block elements like tables.
Upcoming marked 0.4.0 will not autolink in this instance, so add the
links as anchor elements.

PR-URL: https://github.com/nodejs/node/pull/21678


Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>