This commit refactors the main layout and homepage to utilize components from the Nuxt UI library, simplifying the
codebase and reducing custom boilerplate.
- The default layout is now built with `UPage`, `UHeader`, `UMain`, and `UFooter`.
- The homepage (`pages/index.vue`) has been updated to use `UPageHero` and `UBlogPosts`.
- The `IndexHero` and `IndexNews` components have been removed as their functionality is now integrated directly into
the index page.
- `Donate`, `Events`, and `HallOfFame` components are now wrapped with `UPageCTA` or `UPageSection`.
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