* Fix almost every broken link and perm redirect
- Fix Xref from OptimizationTips.rst to Specialization section in Generics.rst
to use Sphinx syntax instead of a direct link to GitHub
- Fix over 12 broken links and permanent redirects
* Fix Rust related inconsistencies and broken links
- Update to reflect Rust does not have three types of pointers anymore
- Replace broken links to deprecated Rust documentation with alternatives,
comparable references in new Rust documentation