Fix docker and readme

Merge with vyuldashev/laravel-queue-rabbitmq
Minor changes in readme
Changes in Dockerfile

Rename config due L12.34 conflict

Renamed config in RabbitMQQueue to rabbitMQConfig, as there is a conflict with Larave Queue that has new config param from version L12.34.
Improvements in docker configuration.

Merged v14.3 from forked source

Merge pull request #1 from vyuldashev/master

Merge with fork source

Support Laravel 12

Add support for Laravel 12