feat: user roles

prisma/schema.prisma

@@ -24,7 +24,7 @@ model User {
   password      String?
   avatar        String?
   token         String  @unique
-  administrator Boolean @default(false)
+  role  Role @default(USER)
 
   files          File[]
   urls           Url[]
@@ -35,6 +35,12 @@ model User {
   IncompleteFile IncompleteFile[]
 }
 
+enum Role {
+  USER
+  ADMIN
+  SUPERADMIN
+}
+
 model OAuthProvider {
   id        String   @id @default(cuid())
   createdAt DateTime @default(now())