Updated dependencies.

Migrate form Flask-Script to the built-in integration of the click command line interface of Flask.

Updated CHANGELOG.

Added a way to manage Content Security Policy via the configuration file.

Bumped version number.

Merge branch 'master' of git.sr.ht:~cedric/newspipe

Python 3.8 is the minimum.

added files for docker

Preparing new 9.1.0 release.

Added flake8 in dev requirements.

Updated Python dependencies.

Removed deprecated API.

bumped release number.

Removed sendgrid dependency.

Removed Flask-SSLify and Heroku default support.

The project is now using Poetry.