Ensure every config-backed subsystem can serialize/deserialize config in
a single consistent manner.

Add templates for config item types.

Also updated server's config to use the global config module.

Remove symlinks and make codebase use common modules instead.

Make sure to have help messages for both the game and the server.

Database will be used for authentication.

Implement the sending of input events to the websocket server.

Update identifiers to be consistent.