* Docker Alpine timezone for :newest and :oldest
Follow-up of https://github.com/FreshRSS/FreshRSS/pull/4903
Forgot the development images Newest and Oldest
* Uniform timezone behaviour
* shellcheck
* A bit more documentation
* Docker Alpine 3.17
Update alternative Docker image to Alpine 3.17 with PHP 8.1.12 (and still Apache 2.4.54)
https://alpinelinux.org/posts/Alpine-3.17.0-released.html
* Fix developer access rights
Put developer in www-data group