Add GameBox engine

[MichaelHinrichs]

SteamDB app page links to a few games using this

• Trackmania
• Trackmania² Lagoon
• Trackmania® Turbo
• TrackMania² Valley
• TrackMania² Stadium
• TrackMania² Canyon
• TrackMania Nations Forever
• Trackmania United Forever

Brief explanation of the change

Find Nadeo.ini

[SteamDB-Tracker]

After running changed rules in this pull request (this bot only tests rules.ini changes):

Changed technologies: Engine.GameBox

These apps now match: (16) 7200 11020 228760 229870 232910 233050 233070 243360 264660 264850 288340 375900 456400 600720 600730 2225070

Please confirm that all these changed apps are correct.