Change-type: minor

Also adds pipe and flow combinators

Change-type: minor

Observables now have a more monadic API, allowing mapping over the
values and combining observables together.

This will make it easier to use observables with effects

Change-type: minor

This allows to have long running operations that are observable

Change-type: minor

Task definitions now accept both the original definition, using
condition, effect and actions, as well as the new API, using just
an effect function returning an effect

Change-type: minor

Changing the task definition changed ids used when diagraming with
mermaid.

Change-type: patch

Renames some effect helpers and makes condition usable with
tasks defined with an effect. This allows to have fewer levels of
callbacks when defining the effect for a task

Change-type: minor

This allows to both test the new API and provide an example
on how to work with this API

Change-type: patch