GitLab

* add flax roberta

* make style

* correct initialiazation

* modify model to save weights

* fix copied from

* fix copied from

* correct some more code

* add more roberta models

* Apply suggestions from code review

* merge from master

* finish

* finish docs
Co-authored-by: Patrick von Platen <patrick@huggingface.co>

* Base move

* Examples reorganization

* Update references

* Put back test data

* Move conftest

* More fixes

* Move test data to test fixtures

* Update path

* Apply suggestions from code review
Co-authored-by: Lysandre Debut <lysandre@huggingface.co>

* Address review comments and clean
Co-authored-by: Lysandre Debut <lysandre@huggingface.co>