docs(homepage): Homepage copy changes (#9315)
* update tagline
* Update packages/dev/s2-docs/pages/s2/home/Home.tsx
* A few updates
* Add React Spectrum v3 link
* Add Search Menu to S2 homepage
* Hard code photos
* fix imports
* More copy and minor mobile improvements
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Co-authored-by: Devon Govett <devongovett@gmail.com>
Co-authored-by: Robert Snow <snowystinger@gmail.com>
