add logrotate configuration

[GIC-de]

The bngblaster controller needs to have a logrotate configuration installed.

Example:

sudo cat /etc/logrotate.d/rtbrick-bngblasterctrl
/var/log/rtbrick-bngblasterctrl-service-err.log
/var/log/rtbrick-bngblasterctrl-service-out.log {
    su root root
    size 100M
    rotate 14
    compress
    delaycompress
    missingok
    notifempty
    copytruncate
    create 0644 root root
}