Assets Resource folder

I have a server and client. The world is created on the Physics Server and the Client is told what to load based on the world on the Server.

I was wondering if there was any way to add new assets to the resources folder that can be loaded by the client with out having to recompile the client every time I add new assets?

Every time the server tells the client to load a asset I use Resources.Load to load the asset.

The answer is unity pro + asset bundles. That are basically external resource folders, each bundle an own one.

Resources are fixed at compile time, there is no add and remove later on in the built client anymore