Add social media card headers for Twitter/X related platforms. (#93)

Author: ntoll

index.html

@@ -11,18 +11,20 @@
 		<meta property="og:type" content="website">
 		<meta property="og:description" content="PyScript is a platform for Python in the browser.">
 		<meta property="og:image" content="/assets/images/pyscript-preview.png">
-
+    <meta property="og:site_name" content="Pyscript.net">
+    <meta property="og:url" content="https://pyscript.net">
+    <meta name="twitter:card" content="summary">
+    <meta name="twitter:title" content="PyScript.net">
+    <meta name="twitter:description" content="PyScript is a platform for Python in the browser.">
+    <meta name="twitter:image" content="/assets/images/pyscript-preview.png">
+    <meta name="twitter:site" content="@pyscript_dev">
     <link rel="icon" href="/assets/images/favicon.ico">
-	<link rel="apple-touch-icon" href="/assets/images/apple-touch-icon.png">
-
+	  <link rel="apple-touch-icon" href="/assets/images/apple-touch-icon.png">
     <link rel="preconnect" href="https://fonts.googleapis.com">
     <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
     <link href="https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;700&display=swap" rel="stylesheet">
-
     <link rel="stylesheet" href="/assets/css/main.min.css?v=1.6">
-
     <script src="/assets/js/mailerlite-script.min.js?=v1.0" defer></script>
-
     <!-- Global site tag (gtag.js) - Google Analytics -->
     <script async src="https://www.googletagmanager.com/gtag/js?id=G-LKETQQ110J"></script>
     <script>