GitLab

* Rename index.mdx to index.md

* With saved modifs

* Address review comment

* Treat all files

* .mdx -> .md

* Remove special char

* Update utils/tests_fetcher.py
Co-authored-by: Lysandre Debut <lysandre.debut@reseau.eseo.fr>

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Co-authored-by: Lysandre Debut <lysandre.debut@reseau.eseo.fr>

* Typos/fixes to link syntax

* Trying section headers

* Add header formatting for Rule #3

* Add tutorial doc for TF + TPU

* Fix all those extra asterisks in the markdown

* Use the actual Tip formatting

* Remove unnecessary spaces

* Reformat checklist

* Fix checklist and reformat tips slightly

* Update docs/source/en/perf_train_tpu_tf.mdx
Co-authored-by: Sylvain Gugger <35901082+sgugger@users.noreply.github.com>

* Update docs/source/en/perf_train_tpu_tf.mdx
Co-authored-by: Sylvain Gugger <35901082+sgugger@users.noreply.github.com>

* Update docs/source/en/perf_train_tpu_tf.mdx
Co-authored-by: Sayak Paul <spsayakpaul@gmail.com>

* Update docs/source/en/perf_train_tpu_tf.mdx
Co-authored-by: Sayak Paul <spsayakpaul@gmail.com>

* Add link to TPU notebook in the notebooks list

* Add links to the TPU notebook in the tutorial doc

* Make the markdown table a bit less wild

* Fix notebook link

* More notebook links

* More fixes to wild tables

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Co-authored-by: Sylvain Gugger <35901082+sgugger@users.noreply.github.com>
Co-authored-by: Sayak Paul <spsayakpaul@gmail.com>