Split off the DockerClientFactory from this library

Most times I play with other Docker/Java libraries than TestContainers I end up in a world of dependency or configuration hell. It seems like one of the biggest reasons for this is this library's DockerClientFactory class, which does a really excellent job of inspecting the environment and choosing the best way of running Docker on the local machine with very little user intervention.

This is particularly instrumental when trying to convince other users to adopt Docker-based unit testing—if it doesn't "just work" (as it does!), skeptical developers are prone to reject the whole thing.

Therefore, I think that this class and its supporting cast should perhaps be split off into a separate package or merged upstream so that more people and projects can benefit this most commendable work. I know I'd certainly use it!

Commencez par lire core/src/main/java/org/testcontainers/DockerClientFactory.java et identifier les classes de support impliquées dans l’inspection de l’environnement et la sélection du runtime Docker. L’issue propose de séparer cette fonctionnalité dans son propre package ou de la fusionner upstream ; commencez donc par clarifier la limite d’extraction et la cible d’intégration ; le travail sera considéré comme terminé lorsque la fonctionnalité obtenue pourra bénéficier à d’autres projets Docker/Java sans les conflits actuels de dépendances ou de configuration.