Content
    |- 1.Introduction
       |-1.1.introduction.md
       |-1.2.solutions_architecture.md
       |-1.3.access_patterns.md
       |-1.4.get_started.md
       
    |- 2.Building_the_api
       |-2.1.stacks.md
       |-2.2.acms_stack.md
       |-2.3.graphql_api_and_schema.md
       |-2.4.user_stack.md
       |-2.5.user_lambda_resources.md
       |-2.6.building_stack.md
       |-2.7.apartment_stack
       |-2.8.bookings_stack
       |-2.9.process_sqs_booking.md
       |-3.0.get_all_bookings_per_apartment.md
    |- 4.Testing
       |-4.1.testing_the_create_user_account_endpoint.md
       |-4.2.testing_the_create_building_endpoint.md
       |-4.3.testing_create_apartment_booking_endpoint.md
       |-4.4.testing_get_all_bookings_per_apartment_endpoint.md
       |-4.4.conclusion