Add `Notifications` examples

[taroj1205]

Subject

Notifications

Description

We need to make Notifications examples. You may refer to https://tailwindui.com/components/application-ui/overlays/notifications when making these examples.

Are you willing to participate in the development of this feature and create a pull request?

None

[illionillion]

Add this examples.
https://pro.chakra-ui.com/components/application/notifications