New port: sysutils/msiklm

MSI Keyboard Light Manager (MSIKLM) is an easy-to-use command-line
tool that allows users to configure the backlight of SteelSeries
keyboards found in MSI gaming notebooks. It offers similar
functionality to the SteelSeries Engine for Windows.

WWW: https://github.com/Gibtnix/MSIKLM

Run tested on an MSI GE62VR 7RF Apache Pro