[website] Add Store API redirect for mui.com domain

[hasdfa]

• [X] I have followed (at least) the PR section of the contributing guide.

Changed in this PR:

• Added redirects from /api/store/... on mui.com to the MUI Store application

https://deploy-preview-41087--material-ui.netlify.app/api/store/test-redirect

• [ ] I expect that it will return the same as https://mui-store.netlify.app/api/store/test-redirect

[mui-bot]

Netlify deploy preview

https://deploy-preview-41087--material-ui.netlify.app/

Bundle size report

No bundle size changes (Toolpad) No bundle size changes

Generated by :no_entry_sign: dangerJS against 4546adf20f384b6d309d0e5dcf6a5ec4a579b2e7

[oliviertassinari]

What's the use cases? To create an express server that would have custom logic, written in JS rather than PHP? The goal being to limit dependency on PHP?