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* Add a template for example scripts and apply it to mlm

* Formatting

* Fix test

* Add plm script

* Add a template for example scripts and apply it to mlm

* Formatting

* Fix test

* Add plm script

* Add a template for example scripts and apply it to mlm

* Formatting

* Fix test

* Add plm script

* Styling

* New run_clm script

* Formatting

* More comments

* Remove unused imports

* Apply suggestions from code review
Co-authored-by: Thomas Wolf <thomwolf@users.noreply.github.com>

* Address review comments

* Change link to the hub
Co-authored-by: Thomas Wolf <thomwolf@users.noreply.github.com>