once new validations repo is live, point license file links to that site

[nickreich]

[stephenturner]

We're working on getting our forecasts ready for a Jan 10 submission. Looks like that validations repo is still private -- https://github.com/cdcepi/Flusight-forecast-validation.

[nickreich]

We are planning on launching with using a branch of the COVID-19 Forecast Hub validation code. Current version (under dev) available publicly here: https://github.com/reichlab/covid19-forecast-hub-validations/tree/config