* Add Avatar API support
* extend rest_framework to INSTALLED_APPS
* add api path to urls
* add requirements.txt to api app
* add self describe to assign_width_or_height function
* add django-avatar api docs
* remove unused files
* [pre-commit.ci] auto fixes from pre-commit.com hooks
for more information, see https://pre-commit.ci
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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Johannes Wilm <mail@johanneswilm.org>
