enhancement- Make child name required

[kirbt]

Is your feature request related to a problem? Please describe.
child onboarding input validation

Describe the solution you'd like
Make it required for children to have names cause it would be confusing if you cant tell between children so just make it requried.

Describe alternatives you've considered
n/a

Additional context

[skamel12]

Valid enhancement, keeping open. Making child name required is related to the sanitization fix in #53. Good follow-up once that is done.