Cognit Device Runtime v4.0 release

This release introduces new requirements, delete endpoint and more efficient logging

✨ Additions
When stopping the device runtime device_runtime.stop() it will send a HTTP delete to /v1/app_requirements/{app_req_id}
New user requirements added: ID (mandatory), PROVIDERS and IS_CONFIDENTIAL

🔄 Changes
The GEOLOCATION parameter in requirements is now mandatory and must include both latitude and longitude values.
Logs have been reviewed to give more useful information

📖 Documentation
Improved and updated documentation to reflect the latest changes and examples.