Support for nginx >= 10.0.0

[djessich]

Is your feature request related to a problem? Please describe.
This hardening cookbook does not work due to breaking changes in nginx upstream cookbook >= 10.0.0.

Describe the solution you'd like
Refactor this cookbook to support nginx cookbook >= 10.0.0.

Describe alternatives you've considered
Currently there are two options:

• pin to older version of nginx cookbook
• configure the nginx cookbook with the settings from this cookbook