Which license should we pick for this repository? What about: 1. [GPL 3](https://tldrlegal.com/license/gnu-general-public-license-v3-(gpl-3)) 2. [MIT](https://tldrlegal.com/license/mit-license) 3. [Apache 2.0](https://tldrlegal.com/license/apache-license-2.0-(apache-2.0)) Other proposals are also welcome!