message: multistart documentation
diff: // http://opensource.org/licenses/MIT>, at your option. This file may not be
  // copied, modified, or distributed except according to those terms.
  -//! Multi-Start (TODO)
  +//! # Multi-Start
  +//!
  +//! *Work in progress:* The idea is to be able to start many optimizations at once and have them run
  +//! in parallel. Ideally, the kind of solver should be irrelevant. However, I'm fighting with the
  +//! type system a bit...
  #![cfg_attr(feature = "clippy", allow(new_without_default))]
  use futures::Future;
  