Simple Tokio 0.2-based Codec implementation for [Language Server Protocol](https://github.com/Microsoft/language-server-protocol).
This is simplistic by design - for more advanced/complete usage you're likely better exploring
[`gluon-lang`'s LSP codec](https://github.com/gluon-lang/gluon_language-server/blob/9e82e29edcd90698f097fc2ed6973a03bff622fd/src/rpc.rs)
or https://github.com/smith61/rls_proto.