You can check an example here where I use `dotenv`.
https://github.com/bukinoshita/npm-donate/blob/master/exampl...
https://github.com/bukinoshita/npm-donate/blob/master/exampl...
1. Project maintainer add `npm-donate`; 2. Creates stripe account; 3. Add API Key; 4. Release;
Users that wants to donate to the project, doesn't need an API key.
When users install your package, they won't see your API key.