Visualization Addon: Added a new visualizer 'visualization.goom-pp'.

[glk1001]

I've created a new binary addon at https://github.com/xbmc/visualization.goom-pp

This is a complete C++17 rewrite of the old 'visualization.goom' code with similar algorithms and features but with quite a few new features as well.

I've used clang-format and clang-tidy throughout so hopefully the Kodi guidelines are covered.