Add detection for Artemis game engine

[einstein95]

SteamDB app page links to a few games using this

https://steamdb.info/app/2107750/ https://steamdb.info/app/2274460/ https://steamdb.info/app/1075980/

Brief explanation of the change

Adds detection for Artemis game engine

[xPaw]

This matches Everquest, Age of Wonders, and others. So this extension isn't unique.

[einstein95]

This matches Everquest, Age of Wonders, and others. So this extension isn't unique.

I've made the rules a bit more explicit so hopefully those don't get matched anymore.

[SteamTracker]

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

Changed technologies: Engine.Artemis

These apps now match: (48) 359390 490890 617430 664130 701420 816600 832440 937490 946140 969700 1075980 1171270 1183260 1190260 1253580 1258340 1340120 1372830 1461770 1523390 1576130 1604380 1655190 1698030 1770820 1770830 1770840 1819160 1845660 1934180 1938120 2001970 2062210 2107750 2162950 2176760 2243920 2246130 2258770 2259690 2274460 2307160 2321180 2399220 2510770 2567190 2614070 2712550

Please confirm that all these changed apps are correct.