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* Change transforms gallery thumbnail

* Change visualization utils and repurposing annotations gallery thumbnails

* start writing example

* Update example

* Add PenFudan Files

* Update example

* Remove unused files

* Update file and adopt changes

* Create links, fix float
Co-authored-by: Nicolas Hug <contact@nicolas-hug.com>

* add pre-commit hooks

* ignore yamls in packaging/*

* add pre-commit to contributing guide lines

* Update CONTRIBUTING.md
Co-authored-by: Nicolas Hug <contact@nicolas-hug.com>

* remove some hooks

* fix docstrings

* fix end of files
Co-authored-by: Nicolas Hug <contact@nicolas-hug.com>