[8 - h.] Implement on the manifest side the relation of several Jobs that belong to the same order

сделать связь выполненных job на манифесте
- создать таблицу заказов
- переделать запросы на ордерс вью

The issue mentions creating an orders table and modifying queries in the orders view. Start by examining the existing models in the Django app to understand the current Job and Order structures. Look for migration files and the views handling orders to see what needs to be changed. Determine how to establish the relationship between Jobs and Orders in the database schema and update the corresponding API endpoints.

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