Added referrer policies

Author: linkdotnet

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

@@ -32,7 +32,7 @@
     </environment>
     <link rel="preload" href="LinkDotNet.Blog.Web.styles.css" as="style">
     <link href="LinkDotNet.Blog.Web.styles.css" rel="stylesheet"/>
-    <link rel="preload" href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.2/css/bootstrap.min.css" as="style" onload="this.onload=null;this.rel='stylesheet'">
+    <link rel="preload" href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.2/css/bootstrap.min.css" as="style" onload="this.onload=null;this.rel='stylesheet'" crossorigin="anonymous" referrerpolicy="no-referrer">
     <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/styles/github-dark-dimmed.min.css" integrity="sha512-zcatBMvxa7rT7dDklfjauWsfiSFParF+hRfCdf4Zr40/MmA1gkFcBRbop0zMpvYF3FmznYFgcL8wlcuO/GwHoA==" crossorigin="anonymous" referrerpolicy="no-referrer" />
     <component type="typeof(HeadOutlet)" render-mode="ServerPrerendered" />
 </head>