Adding License to the repository

[legendawes]

Hi Pierre! And thanks for the amazing work you are doing!

Could you kindly consider adding the License to the repository?
"without a license, the default copyright laws apply, meaning that you retain all rights to your source code and no one may reproduce, distribute, or create derivative works from your work. If you're creating an open source project, we strongly encourage you to include an open source license."

More infomation about Licenses - https://docs.github.com/en/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/licensing-a-repository