In-Orah alert banner

It would be useful to have an alert banner we can display in the apps

• Show up as a pop-up during login, and a banner after logging in.

• “Dismiss” and “Show Later” buttons.

• Multi-select option for Students/Contacts/Staff

• Editable Title, Body, and optional link for more info

• Allow emoji and rich text

• Optional start and end date/time

• Persistent/First Login only

• Multi-select option for Web app/browser extension/app/kiosk app