embedding homepage v2 (#49027) (#49043)

* ui implementation of new emb homepage, tests will come later

* change padding of the last card to be consistent with the top one

* update beta badge spacing

* update tests

* fix stories type error

* use quick-start for url

* update HomeContent tests

* update events + related e2e

* Update frontend/src/metabase/home/components/EmbedHomepage/StaticEmbedContent.tsx

Co-authored-by: Nicolò Pretto <info@npretto.com>