🌐 Set CORS header for .json/.jar files
Allow anyone on the web to access index-v2.json. I've also added .csv and .jar files just in case. Learn more about CORS: https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS
This would allow me to investigate mutli-repo support for a progessive web-app I'm working on. It would also allow 3rd party web-apps to render f-Droid.org status json files.