WIP: rust-openttd-admin

This crate aims to be a type safe interface to the OpenTTD Admin API. It is very much a work in progress so a lot of changes will happen.

It aims to offer functionality on multiple levels:

• Packets: Basic packet reading and building.
• Sockets: Abstractions that make it easier to setup the connection correctly.
• Game state: Storage of historical data and game state.