Set base for GitHub pages

Author: hez2010

sizoscopeX.Browser/wwwroot/index.html

@@ -5,6 +5,7 @@
     <title>sizoscopeX</title>
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <base href="/sizoscopeX" />
     <link rel="stylesheet" href="./app.css" />
 </head>