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.
Checklist
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make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
documentation is changed or added -
commit message follows commit guidelines