fix: changed publishedAt to Int/number type

backend/prisma/schema.prisma

@@ -20,7 +20,7 @@ model Movie {
   originalName    String
   intro           String
   picture         String?
-  publishedAt     DateTime
+  publishedAt     Int
   runTimeMinutes  Int
 
   director        Director    @relation(fields: [directorId], references: [id])

backend/src/api/movies/dto/create-movie.dto.ts

@@ -3,7 +3,7 @@ export class CreateMovieDto {
   readonly originalName: string;
   readonly intro: string;
   readonly picture?: string;
-  readonly publishedAt: Date;
+  readonly publishedAt: number;
   readonly directorId: string;
   readonly runTimeMinutes: number;
 }

backend/src/api/movies/entities/movie.entity.ts

@@ -9,7 +9,7 @@ export class MovieEntity implements Movie {
   originalName: string;
   intro: string;
   picture: string;
-  publishedAt: Date;
+  publishedAt: number;
   runTimeMinutes: number;
   directorId: string;
 }