Proxy for the TUM iCal export to remove clutter from it and optimize the output

You can find more information on the about page: https://cal.tum.sexy/

To run locally:

• run go run cmd/proxy/proxy.go to install dependencies and run a local server for testing on port 8081

To build a production image:

• run docker build -t tumcalproxy .
• run docker run -p 8081:8081 tumcalproxy
• open http:https://127.0.0.1:8081 in your browser