QMessageBox component support

[donskov]

Is your feature request related to a problem? Please describe.
We have a small application based on Electron and have plans to use nodegui instead (less voracious to resources). Application has some actions which need to be confirmed by the user.

For example remove:

Could you add MessageBox component and the possibility to work in the window as a parent?

Describe the solution you'd like
Create MessageBox and use it.

Additional context
Expected states (for example):

[jswhisperer]

Think it might just need to be ported to react https://docs.nodegui.org/docs/api/generated/classes/qdialog/

[donskov]

@gregbenner Could you help to create Dialog component?

[jswhisperer]

I'm sorry I'm not that well versed with typescript or the internals of the project yet