message: docs(readme): update roadmap
diff: @@ -52,12 +52,12 @@ The 1.x packages work with Angular 4.x while the 5.x packages will work with Ang
  - Angular CLI support for Universal
  - Provide a DOM implementation on the server
  - Hooks in `renderModule*` to do stuff just before rendering to string
  -
  -## In Progress
  -- Write documentation for core API
  - Generic state transfer API in the platform
  - Http Transfer State Module that uses HTTP interceptors and state transfer API
  - Material 2 works on Universal
  +
  +## In Progress
  +- Write documentation for core API
  - Better internal performance and stress tests
  - Make it easier to write unit tests for Universal components
  - Support [AppShell](https://developers.google.com/web/updates/2015/11/app-shell) use cases
  