GitLab

* Fix figure links (also to fix pdf compilation)

* Hack pdf doc compilation

* Hack pdf doc compilation

* Set the priority of figure formats when building html, add png format fig to fix pdf compilation

* Merge English and Chinese doc into the same folder

* Add logo image back

* Add logo image back

* [Doc] Add tutorials/data_pipeline Chinese version

* refine doc

* Use the absolute link

* Use the absolute link
Co-authored-by: Tai-Wang <tab_wang@outlook.com>

* add chinese doc

* update