Update code link

Author: AlexHedley

src/Utility/Shared/MainLayout.razor

@@ -36,7 +36,7 @@
         </div>
         <FluentSpacer />
         <div class="link3">
-            <a href="https://alexhedley.github.io/Utility-Blazor/" target="_blank"><i class="fab fa-github"></i> Code</a>
+            <a href="https://github.com/AlexHedley/Utility-Blazor" target="_blank"><i class="fab fa-github"></i> Code</a>
         </div>
         <FluentSpacer />
         <div class="link2">