Add lobby options for Shroud and Fog.

mods/d2k/mod.yaml

@@ -109,6 +109,8 @@ LobbyDefaults:
 	Crates: true
 	StartingUnitsClass: default
 	FragileAlliances: false
+	Shroud: false
+	Fog: true
 
 ChromeMetrics:
 	mods/d2k/metrics.yaml

mods/d2k/rules/system.yaml

@@ -342,6 +342,9 @@ World:
 	ShroudPalette@fog:
 		Name: fog
 		Type: Fog
+	ShroudPalette@combined:
+		Name: shroudfog
+		Type: Combined
 	Country@Atreides:
 		Name: Atreides
 		Race: atreides