IModelJsExpressServer https ssl

[paprophet]

now,the frontend call 3001 port to backend by imodeljs,but now the project must use ssl (https) include frontend and backend, i update the frontend to ssl （use nginx ）,but i donot know how update the backend (port 3001).
the backend code:
const server = new IModelJsExpressServer(rpcConfig.protocol);
await server.initialize(port);
i cannot find the ssl config about IModelJsExpressServer class .
who can help me。

[calebmshafer]

Going to mark this one as answered by #495 and we can continue the conversation there.