🐛 fix: restore books build

Author: kaungmyatshwe1397

content/books/sample-book.mdx

@@ -6,3 +6,5 @@ image: "https://m.media-amazon.com/images/I/41xShlnTZTL._SX374_BO1,204,203,200_.
 authorEmail: "unclebob@example.com"
 authorLink: "https://blog.cleancoder.com/"
 ---
+
+Recommended software craftsmanship reading.

src/components/Common/Navbar/Navbar.tsx

@@ -27,6 +27,7 @@ const linkKeys = [
 const desktopNavWidthByKey: Record<(typeof linkKeys)[number]["key"], string> = {
   home: "w-[7rem]",
   profiles: "w-[6rem]",
+  books: "w-[5.5rem]",
   editor: "w-[5.5rem]",
   howTo: "w-[5.25rem]",
   blog: "w-[4.5rem]",