Docs: add open graph title and image

docs/index.html

@@ -5,13 +5,15 @@
   <meta charset="utf-8">
   <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
   <meta name="description" content="Resize large images in common formats to smaller, web-friendly JPEG, PNG, WebP, GIF and AVIF images of varying dimensions">
+  <meta property="og:title" content="sharp - High performance Node.js image processing">
+  <meta property="og:image" content="https://cdn.jsdelivr.net/gh/lovell/sharp@main/docs/image/sharp-logo-600.png">
   <meta http-equiv="Content-Security-Policy" content="default-src 'self'; object-src 'none'; style-src 'unsafe-inline';
     img-src 'unsafe-inline' data: https://cdn.jsdelivr.net/gh/lovell/ https://www.google-analytics.com;
     connect-src 'self' https://www.google-analytics.com;
     script-src 'self' 'unsafe-inline' 'unsafe-eval'
       https://www.google-analytics.com/analytics.js;">
   <link rel="icon" type="image/svg+xml" href="https://cdn.jsdelivr.net/gh/lovell/sharp@main/docs/image/sharp-logo.svg">
-  <link rel="icon" type="image/png" sizes="32x32" href="https://cdn.jsdelivr.net/gh/lovell/sharp@main/docs/image/sharp-logo.png">
+  <link rel="icon" type="image/png" sizes="32x32" href="https://cdn.jsdelivr.net/gh/lovell/sharp@main/docs/image/sharp-logo-32.png">
   <link rel="author" href="/humans.txt" type="text/plain">
   <link rel="dns-prefetch" href="https://www.google-analytics.com">
   <script type="application/ld+json">
@@ -29,7 +31,7 @@
       "@type": "Person",
       "name": "Lovell Fuller"
     },
-    "copyrightYear": [2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022],
+    "copyrightYear": 2013,
     "license": "https://www.apache.org/licenses/LICENSE-2.0"
   }
   </script>