Test and/or integrate Drone CI

[jclaveau]

https://drone.io/

[jclaveau]

Recent working article https://developpaper.com/preliminary-installation-of-drone-1-0-gitea-docker/

[jclaveau]

Investigate the followings to make the drone config of the LAMP example

• DIND https://stackoverflow.com/questions/55286938/drone-docker-compose-in-docker
• DIND 2 https://docs.drone.io/examples/service/docker_dind/
• PHP test run https://docs.drone.io/examples/language/php/