added cdb files for ambiences.

lists/planets.cdb

@@ -0,0 +1,25 @@
+([landing pad])=(planet/landing)
+([launch pad])=(planet/landing)
+(landing)=(planet/landing)
+(interior)=(planet/miscin)
+(indoors)=(planet/miscin)
+(inside)=(planet/miscin)
+(underground)=(planet/miscin)
+(cave)=(misc/cave)
+(surface)=(planet/miscout)
+(outdoors)=(planet/miscout)
+(outside)=(planet/miscout)
+(wilderness)=(planet/miscout)
+(jungle)=(planet/miscout)
+(desert)=(planet/miscout)
+(forest)=(planet/miscout)
+(shore)=(misc/ocean)
+(beach)=(misc/ocean)
+(ocean)=(misc/ocean)
+(lake)=(misc/lake)
+(river)=(misc/river)
+(asteroid)=(misc/asteroid)
+([dig site])=(misc/digsite)
+(digging)=(misc/digsite)
+(relic)=(misc/relic)
+(planet/miscout)