refactor: move accesslog to logging/accesslog

internal/logging/accesslog/stdout_logger.go

@@ -0,0 +1,18 @@
+package accesslog
+
+import (
+	"io"
+	"os"
+)
+
+type StdoutLogger struct {
+	io.Writer
+}
+
+var stdoutIO = &StdoutLogger{os.Stdout}
+
+func (l *StdoutLogger) Lock()   {}
+func (l *StdoutLogger) Unlock() {}
+func (l *StdoutLogger) Name() string {
+	return "stdout"
+}