Update index.qmd (#548)

* Update index.qmd

* Update tutorials/docs-10-using-turing-autodiff/index.qmd

* Update tutorials/docs-10-using-turing-autodiff/index.qmd

Co-authored-by: Guillaume Dalle <[email protected]>

* Update tutorials/docs-10-using-turing-autodiff/index.qmd

Co-authored-by: Guillaume Dalle <[email protected]>

* Update tutorials/docs-10-using-turing-autodiff/index.qmd

Co-authored-by: Tor Erlend Fjelde <[email protected]>

* Update tutorials/docs-10-using-turing-autodiff/index.qmd

Co-authored-by: Tor Erlend Fjelde <[email protected]>

* Add TuringBenchmarking and re-resolve manifest

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Co-authored-by: Guillaume Dalle <[email protected]>
Co-authored-by: Tor Erlend Fjelde <[email protected]>
Co-authored-by: Penelope Yong <[email protected]>