fix linter

proxy/pkg/config/config.go

@@ -84,10 +84,12 @@ type Reva struct {
 	Middleware Middleware
 }
 
+// Middleware configures reva middlewares.
 type Middleware struct {
 	Auth Auth
 }
 
+// Auth configures reva http auth middleware.
 type Auth struct {
 	CredentialsByUserAgent map[string]string
 }

proxy/pkg/middleware/authentication.go

@@ -7,6 +7,7 @@ import (
 	"time"
 )
 
+// SupportedAuthStrategies stores configured challenges.
 var SupportedAuthStrategies []string
 
 // ProxyWwwAuthenticate is a list of endpoints that do not rely on reva underlying authentication, such as ocs.