Fix pathIsHidden treating base directory as hidden, print banner to stdout

- pathIsHidden(".") was returning true, causing freshen to skip entire
  directory tree when dotfiles excluded
- Banner now prints directly to stdout to avoid log prefix artifacts

internal/cli/mfer.go

@@ -41,7 +41,9 @@ const banner = `
     \__\/         \__\/       \__\/         \__\/`
 
 func (mfa *CLIApp) printBanner() {
-	log.Info(banner)
+	if log.GetLevel() <= log.InfoLevel {
+		_, _ = fmt.Fprintln(mfa.Stdout, banner)
+	}
 }
 
 // VersionString returns the version and git revision formatted for display.