feat: 内置 fa 字体库

src/blazor/admin/BootstrapAdmin.Web/Pages/_Layout.cshtml

@@ -13,7 +13,7 @@
     <link rel="shortcut icon" href="~/favicon.ico" type="image/x-icon" />
     <link rel="apple-touch-icon" href="~/favicon.png" />
     <base href="~/" />
-    <link href="https://cdn.bootcdn.net/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet">
+    <link href="libs/font-awesome/css/font-awesome.min.css" rel="stylesheet">
     <link href="_content/BootstrapBlazor/css/bootstrap.blazor.bundle.min.css" rel="stylesheet">
     <link href="_content/BootstrapBlazor/css/motronic.min.css" rel="stylesheet">
     <link href="css/site.css" rel="stylesheet" />