Add CI

Introductions de CI

---

@JamesRezo Alors là c’est un peu la Cata :p

• tests HS chez moi
• 300+ erreurs PhpStan ^^

CHANGELOG.md

@@ -6,6 +6,27 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html) and
 [Conventional Commits](https://www.conventionalcommits.org/en/v1.0.0/).
 
+## Unreleased (0.9.x)
+
+### Added
+
+- Continuous Integration ([spip/tools](https://hub.docker.com/r/spip/tools) images)
+
+### Changed
+
+- BREAKING CHANGE : PHP8.2 min.
+
+### Fixed
+
+- phpstan 2.0 errors
+- easy-coding-standards errors
+- phpunit errors
+
+### Removed
+
+- php-cs-fixer
+- php code sniffer
+
 ## 0.8.1 - 2024-12-10
 
 ### Fixed