Custom Routines

[dhilt]

Since the core provides the ability to customize DOM Routines (see Routines param of the Workflow class), the consumer can do so as well. There are some options:

1. Global Routines registry within the core. The core needs to provide smth like useRouties along with makeDatasource.
2. Datasource param, like settings & devSettings. Will need to fix a priority between DS and Workflow Routines inside the core.
3. A new directive param, like *uiScroll="let item of datasource; Routines: Routines". No changes inside the core.
4. ...