Add twitter meta (#46)

Author: sy-records

themes/OpenSouceWin/layout/_partial/head.ejs

@@ -57,6 +57,15 @@
     <% } else { %>
         <meta property="og:type" content="website"/>
     <% } %>
+
+    <meta name="twitter:site" content="<%= config.title %>">
+    <meta name="twitter:card" content="summary_large_image">
+    <meta name="twitter:title" content="<%= title.join(' - ') %>">
+    <% if (description) { %>
+        <meta name="twitter:description" content="<%= description %>">
+    <% } %>
+    <meta name="twitter:image" content="https://raw.githubusercontent.com/OpenSourceWin/OpenSourceWin.github.io/main/themes/OpenSouceWin/source/img/banner-index.png">
+
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet">
     <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/js/bootstrap.bundle.min.js"></script>
     <%- favicon_tag('img/favicon.ico') %>