Modify docker-entrypoint.sh script to sort files with the extension *.sh before execution, ensuring better control over the sequence in which scripts are run before starting the mariadb service.

This is a community contribution, to modify docker-entrypoint.sh script to sort files with the extension *.sh before execution, ensuring better control over the sequence in which scripts are run before starting the mariadb service.

Currently, this is not the case, and I have come across some possible use cases where this will come in handy, example:

• Loading custom cnf file dynamically
• manioulating the default cnf file dynamically
• creating ENV vars from secrets, etc.

This will only involve modifying the `docker_process_init_files()` function of the docker-entrypoint.sh script.