#158 добавил каскадное удаление

planner-api/src/models/Task.ts

@@ -77,7 +77,7 @@ import { DateTimeTask } from './DateTimeTask';
     @ManyToOne(() =>User, (user: { tasks: Task[]}) => user.tasks,{nullable: true,cascade: true, onUpdate:'CASCADE', eager : true,})
     executor!: User;
     
-    @ManyToOne(()=>Project,(project:{tasks: Task[]}) => project.tasks,{eager : true,nullable: true,onUpdate:'CASCADE'})
+    @ManyToOne(()=>Project,(project:{tasks: Task[]}) => project.tasks,{eager : true,nullable: true,onUpdate:'CASCADE', onDelete: 'CASCADE'})
     project!: Project;
 
     @OneToMany(() => DateTimeTask, (dateTimeTask: { task: Task }) => dateTimeTask.task,{eager : true,nullable: true,onUpdate:'CASCADE'})