Request for example using hyper directly with tonic

We now have examples of using hyper directly with tonic, so for now you can use `hyper-tls` or `hyper-openssl` to achieve what you want.

_Originally posted by @LucioFranco in https://github.com/hyperium/tonic/issues/212#issuecomment-605127781_

Hey, would you mind posting the link to examples of using `hyper-tls`/`hyper-openssl` directly with tonic, please~

The issue asks for links to examples using hyper-tls or hyper-openssl directly with tonic. Start by locating the existing examples referenced in the issue, then provide their links in the issue or relevant documentation; done means a newcomer can find and follow those examples.

Written by the indexing model from the issue text.