announcement modal/banner

[lisa-kwok]

Is your feature request related to a problem? Please describe.
As we roll out more features and fixes, announcement modal or banner will be used to keep users informed about these changes.

Types of announcements:

1. Important and requires their attention - this should stays throughout the entire app and user will not be able to dismiss it. Important for announcements such as stopping support of certain feature etc
2. New features announcement
3. Bug fixes

[this is an ongoing issue, please add in more comments if necessary]

[NatMaeTan]

Guidelines

Bug fixes
Use the Changelog in the guide
OR list them in the Icon List modal

Single features
Use the Single feature announcement modal

For complex single features
Use the multi-step announcement modal
OR the video modal

Multiple features
Use the multi-step announcement modal
OR the Icon List modal

Figma screens