add Buddha

[diedyesterdaywastaken]

SteamDB app page links to a few games using this

• Brütal Legend
• Costume Quest
• Costume Quest 2
• Headlander
• Iron Brigade
• Massive Chalice
• Stacking
• The Cave

Brief explanation of the change

added a rule for Buddha engine

[SteamDB-Tracker]

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

Changed technologies: Engine.Buddha

These apps now match: (17) 115100 115110 115120 221810 225120 225260 225940 225960 228040 228060 228100 246110 275180 285230 285270 285290 340000

Please confirm that all these changed apps are correct.