Add responsive whitespace class to hero headline

Replaced 'whitespace-nowrap' with 'md:whitespace-nowrap' in the hero headline to improve text wrapping on smaller screens while preserving no-wrap behavior on medium and larger devices.

Author: potatoqualitee

themes/dbatools2025/layouts/partials/hero.html

@@ -14,7 +14,7 @@
       <!-- Hero headline -->
       <h1 class="text-hero font-bold mb-6 text-theme-text dark:text-[#ececec]">
         The PowerShell toolkit<br>
-        <span class="bg-gradient-to-r from-primary via-accent-light to-primary bg-clip-text text-transparent whitespace-nowrap">for SQL Server professionals</span>
+        <span class="bg-gradient-to-r from-primary via-accent-light to-primary bg-clip-text text-transparent md:whitespace-nowrap">for SQL Server professionals</span>
       </h1>
 
       <!-- Subheadline -->