hero section added

hero article menagment implemented in admin UI

backend/src/modules/entities.ts

@@ -254,6 +254,9 @@ export class Article {
   @Column({ default: 0 })
   telegramShares: number;
 
+  @Column({ default: false })
+  isHero: boolean;
+
   @CreateDateColumn()
   createdAt: Date;