Provide containerized server for easy self hosting

[BaeoMaltinsky]

No description provided.

[GallagherCommaJack]

Where should it get TLS cert from?

[mobile-bungalow]

there is a docker container for generating self signed ssl certs. however we do have to include the openssl calls for generating APNS-certs once that functionality exists, so generating .pems will be a part of server start up anyhow. Is this totally insane?

[mobile-bungalow]

the initial barebones docker file exists on its own branch, i'll push it to docker hub for simplicity once we ...

• Add flags to the server executable for specifying ssl cert location, and APNS cert location
  -- self signed certs provided by rustls