update msapplication-TileColor (#679)

Author: Arhell

_layouts/bootstrap.html

@@ -32,7 +32,7 @@
     <link rel="manifest" href="/favicons/site.webmanifest">
     <link rel="mask-icon" href="/favicons/safari-pinned-tab.svg" color="#236BFD">
     <meta name="msapplication-config" content="/favicons/browserconfig.xml" />
-    <meta name="msapplication-TileColor" content="#da532c">
+    <meta name="msapplication-TileColor" content="#236BFD">
     <meta name="theme-color" content="#236BFD">
     <link rel="author" href="https://plus.google.com/+Codeception">