Request Header Parser Microservice

User story: After the user adds /api/whoami after the url, it returns the user's IP address, language, operating system.

Example usage:

https://im-headerparser-ms.glitch.me/api/whoami/

Example output:

{"ipaddress":"106.8.100.1","language":"en-US","software":"Windows NT 10.0; Win64; x64"}