fix empty href

Author: linkdotnet

src/LinkDotNet.Blog.Web/Pages/_Layout.cshtml

@@ -42,7 +42,7 @@
     <environment include="Development">
         An unhandled exception has occurred. See browser dev tools for details.
     </environment>
-    <a href="" class="reload">Reload</a>
+    <a href="/" class="reload">Reload</a>
     <a class="dismiss">x</a>
 </div>
 <script src="_framework/blazor.server.js"></script>