feat: main event currency on playground instead

Author: TrayMachi

prisma/schema.prisma

@@ -188,6 +188,7 @@ model UserPlayground {
   userId                    String                     @unique
   username                  String
   virtualPoint              Int                        @default(0)
+  mainEventCurrency         Int                       @default(0)
   createdAt                 DateTime                   @default(now())
   updatedAt                 DateTime                   @updatedAt
   adWatchHistories          AdWatchHistory[]
@@ -386,7 +387,6 @@ model UserData {
   createdAt                DateTime                   @default(now())
   updatedAt                DateTime                   @updatedAt
   userId                   String                     @unique
-  mainEventCurrency        Int                        @default(0)
   jobInstitution           String?
   lineId                   String?
   phoneNumber              String?