Add ability to delay futures

[chimon2000]

Is your feature request related to a problem? Please describe.

Currently, delay must be wired up to the widget imperatively.

Describe the solution you'd like

Add delay property

• If present, delays future until delay (in milliseconds) is reached.

Describe alternatives you've considered

N/A

Additional context

https://github.com/jxom/react-loads#delay https://github.com/ghengeveld/react-async