chore: 增加 AutoRestart 配置

Author: ArgoZhang

src/BootstrapBlazor.Server/Directory.Build.props

@@ -3,4 +3,8 @@
   <Import Project="..\Directory.Build.props" />
   <Import Project="..\..\Framework.props" />
 
+  <PropertyGroup>
+    <HotReloadAutoRestart>true</HotReloadAutoRestart>
+  </PropertyGroup>
+
 </Project>