feat(projects): consolidate /projects, hide skills, redirect /archive

- /projects: merged page with featured (top) + archive (bottom)
- titles mirror homelab pattern: projects/featured, projects/archive
- nav: archive → projects
- home: drop Skills section and featured grid
- /archive → /projects via meta-refresh + JS redirect stub

src/components/Nav.tsx

@@ -7,7 +7,7 @@ import { useTheme } from "@/context/ThemeContext";
 const links = [
   { href: "/", label: "tyler" },
   { href: "/homelab/", label: "homelab" },
-  { href: "/archive/", label: "archive" },
+  { href: "/projects/", label: "projects" },
 ];
 
 export default function Nav() {