Missing line terminator (#404)

Ouput feature (JSON/YAML/ENV)

Update repo-device-requested.yml

Change formatting option and fixed format

Windows: Link statically

Auto-generate udev-rules

Also fix cmake version warning

Update README.md with the Development section

Also added Windows and `-c` option

SteelSeries Arctis 7 Battery Support + 2019 Model Support (#40)

* Add battery support for SteelSeries Arctis 7 (Pre-2019)

* Adding support for 2019 Arctis 7 variant.

* Correcting error in udev rules.

* Updating README.md to include updates for SteelSeries Arctis 7.

* Fix 50-steelseries-arctis-7.rules UDev rule, According to Udev versions
used in Ubuntu 19.04. Previous version did not work.