Add support for configuring trusted proxy

Description

Allow trusted proxies to be configured so that FusionAuth can properly know when trust the X-Forwarded-For header when upstream proxies exist between the client and FusionAuth.

Related

• https://github.com/FusionAuth/fusionauth-internal-issues/issues/309
• https://github.com/FusionAuth/fusionauth-internal-issues/issues/347

Community guidelines

All issues filed in this repository must abide by the FusionAuth community guidelines.

Release notes

Adds the ability to declare trusted upstream proxies, providing better security when using IP ACLs and better source IP address resolution in login records and webhook calls.