GitLab

* updated toctree

* added and translated mdx documents

* add skeleton files

* fix cpu inference link

* add hint to make clear that single gpu section contains general info

* add new files to ToC

* update toctree to have subsection for performance

* add "coming soon" to the still empty sections

* fix missing title

* fix typo

* add reference to empty documents

* Apply suggestions from code review
Co-authored-by: Stas Bekman <stas00@users.noreply.github.com>

* Apply suggestions from code review
Co-authored-by: Stas Bekman <stas00@users.noreply.github.com>
Co-authored-by: Stas Bekman <stas00@users.noreply.github.com>

* Reorganize doc for multilingual support

* Fix style

* Style

* Toc trees

* Adapt templates

* Add proper documentation for Keras callbacks

* Add dummies

* Convert all tutorials and guides

* Convert all remaining rst to mdx

* Track and fix bad links