Refactor code structure for improved readability and maintainability

Co-authored-by: Copilot <copilot@github.com>

src/pages/[collection]/[...slug].astro

@@ -35,7 +35,7 @@ const collectionIndex = entries.find((item) => item.id === "index");
 const entryUrl =
   entry.id === "index" ? `/${collection}` : `/${collection}/${entry.id}`;
 const breadcrumbs = [
-  { label: "Radium Help", href: "/" },
+  { label: "Help", href: "/" },
   {
     label: collectionIndex?.data.title ?? collection,
     href: entry.id === "index" ? undefined : `/${collection}`,