added basic mvc project

Twinty/Views/Home/Index.cshtml

@@ -0,0 +1,8 @@
+@{
+    ViewData["Title"] = "Home Page";
+}
+
+<div class="text-center">
+    <h1 class="display-4">Welcome</h1>
+    <p>Learn about <a href="https://docs.microsoft.com/aspnet/core">building Web apps with ASP.NET Core</a>.</p>
+</div>

Twinty/Views/Home/Privacy.cshtml

@@ -0,0 +1,6 @@
+@{
+    ViewData["Title"] = "Privacy Policy";
+}
+<h1>@ViewData["Title"]</h1>
+
+<p>Use this page to detail your site's privacy policy.</p>

Twinty/Views/Home/SierpinskiTriangle.cshtml

@@ -0,0 +1,15 @@
+@{
+    ViewData["Title"] = "SierpinskiTriangle";
+}
+
+<script src="https://cdn.jsdelivr.net/npm/vega@5.25.0"></script>
+<script src="https://cdn.jsdelivr.net/npm/vega-lite@5.12.0"></script>
+<script src="https://cdn.jsdelivr.net/npm/vega-embed@6.22.1"></script>
+<div id="vis"></div>
+
+<h2>bonour</h2>
+
+ <script type="text/javascript">
+      var yourVlSpec = @Html.Raw(ViewData["spec"]);
+      vegaEmbed('#vis', yourVlSpec);
+    </script>