GitLab

* split seq2seq script, update docs

* needless diff

* fix readme

* remove test diff

* s/summarization/translation
Co-authored-by: Sylvain Gugger <35901082+sgugger@users.noreply.github.com>

* cr

* fix arguments & better mbart/t5 refs

* copyright
Co-authored-by: Suraj Patil <surajp815@gmail.com>

* reword readme
Co-authored-by: Suraj Patil <surajp815@gmail.com>

* s/summarization/translation

* short script names

* fix tests

* fix isort, include mbart doc

* delete old script, update tests

* automate source prefix

* automate source prefix for translation

* s/translation/trans
Co-authored-by: Stas Bekman <stas00@users.noreply.github.com>

* fix script name (short version)

* typos
Co-authored-by: Stas Bekman <stas00@users.noreply.github.com>

* exact parameter
Co-authored-by: Stas Bekman <stas00@users.noreply.github.com>

* remove superfluous source_prefix calls in docs

* rename scripts & warn for source prefix

* black

* flake8
Co-authored-by: theo <theo@matussie.re>
Co-authored-by: Sylvain Gugger <35901082+sgugger@users.noreply.github.com>
Co-authored-by: Suraj Patil <surajp815@gmail.com>
Co-authored-by: Stas Bekman <stas00@users.noreply.github.com>