feat: add Web Hosting Getting started landing page with zone-gated EU offers (#287)

* feat: add Web Hosting Getting started landing page with zone-gated EU offers

* docs: proofreading web-hosting getting-started landing page

- en: tighten intro phrasing (gather, "and find", drop repeated product name)
- de: align "Control Panel" with the German UI term "Kundencenter"
- it: use "email" without hyphen per Italian terminology convention

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Co-authored-by: Benoit Chuchla <benoit.chuchla@ovhcloud.com>