Change Restaurant frontend to use Java backend

[github-actions]

Change Restaurant frontend to use Java backend

Acceptance Criteria:

All of the following refer to the frontend for Restaurant

• The RestaurantCreatePage has been updated to use the actual backend POST operation instead of the temporary local storage CRUD operations.
• The RestaurantEditPage has been updated to use the actual backend GET and PUT operations instead of the temporary local storage CRUD operations.
• The RestaurantIndexPage has been updated to use the actual backend GET PUT operations instead of the temporary local storage CRUD operations.
• The RestaurantDetailsPage has been updated to use the actual backend GET operations instead of the temporary local storage CRUD operations.
• The RestaurantTable has been updated to use the actual backend DELETE operation instead of the temporary local storage CRUD operations.
• The CRUD operations all impact the actual contents of the database for Restaurant