Repository cleanup, Added art

MyWebsite/Views/Shared/Error.cshtml

@@ -0,0 +1,27 @@
+@model ErrorViewModel
+@{
+    ViewData["Title"] = "Error";
+}
+
+<header>
+    <h1>Error.</h1>
+    <h2>An error occurred while processing your request.</h2>
+</header>
+
+<article class="info-block">
+    @if (Model.ShowRequestId)
+    {
+        <p>
+            <strong>Request ID:</strong> <code>@Model.RequestId</code>
+        </p>
+    }
+
+    <h3>Development Mode</h3>
+    <p>
+        Swapping to <strong>Development</strong> environment will display more detailed information about the error that occurred.
+    </p>
+    <p>
+        <strong>Development environment should not be enabled in deployed applications</strong>, as it can result in sensitive information from exceptions being displayed to end users. For local debugging, development environment can be enabled by setting the <strong>ASPNETCORE_ENVIRONMENT</strong> environment variable to <strong>Development</strong>, and restarting the application.
+    </p>
+</article>
+