Fixed lint issues and missing documentation

internal/cli/logging.go

@@ -7,6 +7,9 @@ import (
 	"github.com/spf13/cobra"
 )
 
+// SetupInitialLogging starts logging to the terminal, at the level set by
+// cmd's --quiet and --debug flags (--debug wins), before any configuration
+// is loaded.
 func SetupInitialLogging(cmd *cobra.Command) {
 	// Start logging to terminal first - any commands that want to use file
 	// logging should activate it themselves