fix: update community link to jump to community section

- Change community navigation link from GitHub Discussions to #community anchor
- This allows users to jump to the Community section on the same page

Author: codedogQBY

website/src/components/Header.astro

@@ -16,7 +16,7 @@ const navItems = [
   { href: "#features", label: t("nav.features") },
   { href: "#download", label: t("nav.download") },
   { href: supportHref, label: t("nav.docs") },
-  { href: "https://github.com/codedogQBY/ReadAny/discussions", label: t("nav.community"), external: true },
+  { href: "#community", label: t("nav.community") },
 ];
 ---