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.

Unify config loading in net and video subsystems.

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

Ensure no side effect persists when errors have been triggered.

Database will be used for authentication.

Update identifiers to be consistent.

Copy implementation from lws.

Connect client to server, save connection details.

Ensure the same reference of the server is terminated in the server,
while the client should check the context when connecting/disconnecting.

Attempt to connect client to server.

Ensure mounts are configurable.

Isolate network logic to each subsystem.

Split callback logic into several functions.

Update initialization method.

Use minimal server echo example instead.