Function background_jobs::create_server

pub fn create_server<S>(storage: S) -> QueueHandle where
    S: Storage + Sync + 'static, 

Create a new Server

In previous versions of this library, the server itself was run on it's own dedicated threads and guarded access to jobs via messages. Since we now have futures-aware synchronization primitives, the Server has become an object that gets shared between client threads.

This method should only be called once.