add galleryId on comment

prisma/schema.prisma

@@ -35,6 +35,7 @@ model Gallery {
   modelId   String
   user      User?      @relation(fields: [userId], references: [sub])
   userId    String?
+  Comment   Comment[]
 }
 
 model Reaction {
@@ -55,6 +56,8 @@ model Comment {
   userId    String
   model     Model?   @relation(fields: [modelId], references: [id])
   modelId   String?
+  gallery   Gallery? @relation(fields: [galleryId], references: [id])
+  galleryId String?
 }
 
 model User {