Switch to use pyjwt rather than python-jose

Fix issue when COGNITO_ENABLED is not set

Refactor schemas folder to entities for better naming

Support update owner_source when creating new book

Merge pull request #2 from luantien/ft/cognito-auth

Refactor schema import

Implement Cognito Authorizer with Feature Flag

Update user schema, table to adopt Cognito Integration

Update README, add more description

Update README, switch to use sql.select to replace orm.query (deprecated)

Refactor: update deprecated methods, add support for async db session

Update pylint configuration, env file optimization

Update some suggestion comment

Fix: migration scripts for auth service refactor

Fix: Add user admin check, update owner_id when create book