Added configuration for autostart and startretries

Added configuration for autostart and startretries

supervisor:
    programs:
        program_name:
            command: 'php %kernel.project_dir%/bin/console rabbitmq:consumer -m 10 queue_name'
            numprocs: 1
            autostart: true
            autorestart: true
            killasgroup: true
            startretries: 10