Create "Overlay" container

[peasandwell]

This is related to #111 <TotalsCalendar /> component, the <Overlay /> container will allow its children to be rendered in an overlay. The child component should be positioned in the middle of the screen.

Note note that the overlay can be triggered to open by using a <Button /> component. (see the calendar icon here - https://heathwallace.invisionapp.com/share/ENFXAUAMSQY#/screens/283473387)

See the Totals Calendar for an example of usage - https://heathwallace.invisionapp.com/share/ENFXAUAMSQY#/screens/283473504

For reference, this overlay will be quite functionally similar to the <SettingsDrawer /> component

Input props

• children: children (either components or HTML) to go inside the container

Output props

• onClose(): fired when the overlay close button is clicked

[J35P1N]

I would like to work on this. My assumption from this (based on the designs) would be that the overlay slightly greys the screen and provides a close button. It then accepts other components inside.

[dan1elhughes]

Yup, additionally it'd be nice if the fade background could be clickable to call onClose() too