Merge pull request #7 from AlirezaEm/feature/unit-test

Update README.md

add AWS_DEFAULT_REGION to monkeypatch and add moto library to the dev requirements

add The httpx command line client could not run because the required dependencies were not installed.

add test for update and checkout routes, and also development requirements text file

add unit test

Configure to deploy to AWS Serverless framework V2

extract authentication logic form routes into a shared function

Configure to deploy to AWS Serverless framework.

Use query instead of scan for getting records from DB.

Add get route to retrive orders

Check the ownership of the order

Add JWT authentication to the Edit_order endpoint

Edit the items list of a order to the list of the PATCH request body

Check ownership of the order in Checkout_endpoint