Update MainNav component and site configuration

- Adjusted the size classes in the MainNav component for better consistency.
- Renamed the navigation item from "Fun Fact Stats" to "Discover" in the site configuration.

Author: werther41

components/main-nav.tsx

@@ -22,7 +22,7 @@ export function MainNav({ items }: MainNavProps) {
   return (
     <div className="flex items-center gap-2 sm:gap-6 md:gap-10">
       <Link href="/" className="flex items-center space-x-2">
-        <div className="flex size-8 items-center justify-center rounded-full bg-primary sm:size-10">
+        <div className="flex h-8 w-8 items-center justify-center rounded-full bg-primary sm:size-10">
           <span className="text-sm font-bold text-primary-foreground sm:text-lg">
             U
           </span>

config/site.ts

@@ -31,8 +31,8 @@ export const siteConfig = {
       href: "/",
     },
     {
-      title: "Fun Fact Stats",
-      href: "/statistics",
+      title: "Discover",
+      href: "/discover",
     },
     {
       title: "Deep Dive",