* feat: add base promotional advert

add mobile layout

tweak text container size

only show new banner on Base

fix import

update to new state structure

* Update src/components/Banner/BaseAnnouncementBanner/index.tsx
Co-authored-by: Charles Bachmeier <charles@bachmeier.io>

* pr feedback

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Co-authored-by: Charles Bachmeier <charles@bachmeier.io>