add missing comments

services/settings/pkg/config/defaults/defaultconfig.go

@@ -13,6 +13,7 @@ import (
 	"github.com/pkg/errors"
 )
 
+// FullDefaultConfig returns a fully initialized default configuration
 func FullDefaultConfig() *config.Config {
 	cfg := DefaultConfig()
 	EnsureDefaults(cfg)
@@ -60,6 +61,7 @@ func DefaultConfig() *config.Config {
 	}
 }
 
+// EnsureDefaults adds default values to the configuration if they are not set yet
 func EnsureDefaults(cfg *config.Config) {
 	// provide with defaults for shared logging, since we need a valid destination address for "envdecode".
 	if cfg.Log == nil && cfg.Commons != nil && cfg.Commons.Log != nil {
@@ -116,6 +118,7 @@ func EnsureDefaults(cfg *config.Config) {
 	}
 }
 
+// Sanitize sanitized the configuration
 func Sanitize(cfg *config.Config) {
 	// sanitize config
 	if cfg.HTTP.Root != "/" {