chore: rename new created_at column (#31)

prisma/migrations/20250118112529_rename_created_at_column/migration.sql

@@ -0,0 +1,2 @@
+-- Rename the column without dropping it
+ALTER TABLE news RENAME COLUMN created_at TO "createdAt";

prisma/schema.prisma

@@ -29,7 +29,7 @@ model News {
   time      Float
   url       String?
   score     Float
-  createdAt DateTime @default(now()) @map(name: "created_at")
+  createdAt DateTime @default(now())
 
   @@map(name: "news")
 }