code: func NewWriteHandler(writer storage.PointsWriter) *WriteHandler {
  	h := &WriteHandler{
  		Router:       NewRouter(),
  		Logger:       zap.NewNop(),
  		PointsWriter: writer,
  	}
  
  	h.HandlerFunc("POST", writePath, h.handleWrite)
  	return h
  }
docs: // NewWriteHandler creates a new handler at /api/v2/write to receive line protocol.