* create alpha.10 release notes

* fix table of context to be markdown

* add python script ...

* Rename package-release to release

* Move tarball creation in Makefile

* Enhance release ...

Enhance locale management

Improve legacy Makefile

Rename python packages/entrypoints

Pin setuptools to ^58.0 in installer

BREAKING:
sudo rm -f \
/etc/logrotate.d/airtime-liquidsoap

BREAKING: Remove old entrypoints using
sudo rm -f \
/usr/{bin,local/bin}/airtime-liquidsoap \
...

BREAKING: Remove old packages using
sudo pip uninstall \
airtime-playout \
airtime-celery \
...

Enable pre-commit for legacy code

Format legacy code with php-cs-fixer

Exclude propel generated files from php-cs-fixer

Add missing local api_client dependency

Fix track overlap in next show

Rename airtime_mvc to legacy

Fix api2 permissions check

Remove unused /{,var/}run/airtime/ directory

Fix CORS setup

Versioned php packages and add missing packages

Move legacy packages.ini to airtime_mvc

Install python apps using pip

Properly import sleep function

Correctly filter schedule items based on is_valid

fix php include for zend file transfer

Update templates to use new labels for issue filing

Fixes: #1360

Bump PHP dependency versions

use 1Gb of RAM on libvirt

Fix cueout for schedule starts overlapping show ends

Update labels

Fix pip install failing with setuptools install-options (revert)

And remove prod extra requires for api because ./setup.py install
don't handle extra requires.

Allow ci image user to run sudo without password

Split venv setup and package install targets

This allow to reinstall the packages without
rebuilding the venv in case of dependencies change.

Auth to API v1 using Authorization: Api-Key header

Follow up #1339

Fix bad argument name, use kwargs

Argument should be `_post_data` and we only allow kwargs in `ApiRequest.__call__`.

Start linting :tada: !