[FEATURE] Documentation for Custom Widget and Passwordless Widget

[noinarisak]

Is your feature request related to a problem? Please describe. Zartan does not have documentation on how to configure Custom Widget and Passwordless Widget use cases.

Describe the solution you'd like Detail instructions, requirements, configuration and talk track on how to demo Custom-Widget and Passwordless Widget.

Describe alternatives you've considered n/a

Additional context n/a