Renamed utilities to files, added datetimeManager, npm update

prisma/schema/zone.prisma

@@ -38,6 +38,7 @@ model Zone {
   height                 Int                     @default(10)
   tiles                  Json?
   pvp                    Boolean                 @default(false)
+  effects                ZoneEffect[]
   zoneEventTiles         ZoneEventTile[]
   zoneEventTileTeleports ZoneEventTileTeleport[]
   zoneObjects            ZoneObject[]
@@ -47,6 +48,14 @@ model Zone {
   updatedAt              DateTime                @updatedAt
 }
 
+model ZoneEffect {
+  id       String @id @default(uuid())
+  zoneId   Int
+  zone     Zone   @relation(fields: [zoneId], references: [id], onDelete: Cascade)
+  effect   String
+  strength Int
+}
+
 model ZoneObject {
   id        String  @id @default(uuid())
   zoneId    Int