- add default state and country
- rename parameters for more clarity
- set subjectAltName
- delete old certificate before creating new one
- Set CN and subjectAltNames in DB for automatic renewal
- improve function parameters
- set default validity to 1 year as resources need to be manually restarted to use the new certificates
- use the CA cert to sign certificates
- improve security by making certificates valid for only 90 days instead of 10 years
- add SubjectAltName
- remove unnecessary parameters
- use carbon immutable to make sure expiration date stays the same
