Let's Encrypt Integration

[douwinga]

As discussed in triage, it would be great if there was built in Let's Encrypt functionality. Ideally this would auto renew, but at a minimum it should have a button to renew. We will need to figure out a way to install the cert with only rebooting the tenant rather than the whole host.

https://github.com/aspnet/Benchmarks/blob/3b7cb361785fb1fcf0e44d46cb385483fcc1e769/src/Benchmarks/Program.cs#L281