Add Open Graph Meta tags

Author: smith558

docs/assets/images/sun.png

@@ -13,7 +13,9 @@
     </script>
 
     <title>Learn You a Haskell for Great Good! (open-source)</title>
-    <meta name="description" content="Hilarious, illustrated guide to Haskell functional language. Packed with artwork, pop culture references, and most importantly, useful example code, this guide teaches functional fundamentals in a way you never thought possible.">
+    <meta name="description"
+        content='An up-to-date community maintained version of the renowned "Learn You a Haskell" (LYAH) guide for Haskell. 
+        Packed with artwork, pop culture references, and most importantly, useful example code, this guide teaches functional fundamentals in a way you never thought possible.'>
     <meta name="keywords" content="computer science learn me a haskell learnyouahaskell haskell learning programming coding functional Learn You a Haskell for Great Good LYAH open source guide manual Miran Lipovaca wiki course teach">
     <link rel="canonical" href="https://learnyouahaskell.github.io/" />
     <!-- <meta name="viewport" content="width=device-width, initial-scale=1.0"> -->
@@ -24,6 +26,13 @@
     <link rel="stylesheet" href="assets/css/style.css">
     <link rel="preload" as="image" href="assets/images/newsplash-new-short.webp">
     <link rel="preload" as="image" href="assets/images/newsplash-new-long.webp">
+
+    <meta property="og:title" content="Learn You a Haskell for Great Good! | A community version" />
+    <meta property="og:url" content="https://learnyouahaskell.github.io/" />
+    <meta property="og:description" content='An up-to-date community maintained version of the renowned "Learn You a Haskell" (LYAH) guide for Haskell. Packed with artwork, pop culture references, and most importantly, useful example code, this guide teaches functional fundamentals in a way you never thought possible.' />
+    <meta property="og:type" content="website" />
+    <meta property="og:image" content="https://stanislav.gq/assets/images/sun.png" />
+
     <style type="text/css">
         body {
             padding-top: 10px;