* use gofmput to format code
* use gci to format imports
* reconfigure gci
* linter autofixes
* rearrange imports a little
* export GOOS=windows golangci-lint run ./... --fix
* caddyhttp: Determine real client IP if trusted proxies configured
* Support customizing client IP header
* Implement client_ip matcher, deprecate remote_ip's forwarded option