About License

Thanks for sharing the great paper and code. I see that "This project is under the CC-BY-NC 4.0 license. See [LICENSE](https://github.com/facebookresearch/moco/blob/main/LICENSE) for details." in the license part. As far as I know, CC-BY-NC 4.0 does not allow commercial use, but MIT does. I would like to ask if the code of this repo can be used for free commercial use? Thanks in advance