Adds Virtual Boy trivia background (#139)

Author: tee-bee

resources/profiles/backgrounds.yml

@@ -162,6 +162,10 @@ machine-makerfest:
     theme: light
     trophy-bg-opacity: 50
 
+trivia-virtualboy:
+    theme: dark
+    trophy-bg-opacity: 50
+
 trivia-acnh:
     theme: light
     trophy-bg-opacity: 50