* add social preview

Author: mulle-nat

index.html

@@ -7,6 +7,45 @@
     <link rel="stylesheet" type="text/css" href="stylesheets/normalize.css" media="screen">
     <link rel="stylesheet" type="text/css" href="stylesheets/stylesheet.css" media="screen">
     <link rel="stylesheet" type="text/css" href="stylesheets/github-light.css" media="screen">
+
+    <!-- Twitter Cards -->
+    <meta name="twitter:title" content="mulle-objc Project">
+    <meta name="twitter:description" content="+[mulle-objc goals]
+    Improve and maintain Objective-C for use in the next decades
+    Run everywhere C runs
+    Everything faster than everyone else
+    Enable static linking
+    Enable massive threading
+    The runtime should be completely unloadable
+    Should work in real time applications
+    No magic
+    Keep the Spirit of C...">
+    <meta name="twitter:site" content="@mulle_nat">
+    <meta name="twitter:creator" content="@mulle_nat">
+
+    <meta name="twitter:card" content="summary_large_image">
+    <meta name="twitter:image" content="https://mulle-objc.github.io/pix/default-thumb.png">
+
+    <!-- Open Graph -->
+    <meta property="og:locale" content="en_US">
+    <meta property="og:type" content="article">
+    <meta property="og:title" content="Intro">
+    <meta property="og:description" content="+[mulle-objc goals]
+    Improve and maintain Objective-C for use in the next decades
+    Run everywhere C runs
+    Everything faster than everyone else
+    Enable static linking
+    Enable massive threading
+    The runtime should be completely unloadable
+    Should work in real time applications
+    No magic
+    Keep the Spirit of C...">
+    <meta property="og:url" content="https://mulle-objc.github.io">
+    <meta property="og:site_name" content="mulle-objc Project">
+    <meta property="og:image" content="https://mulle-objc.github.io/pix/default-thumb.png">
+    <meta property="og:logo" content="https://mulle-objc.github.io/pix/mulle-objc-logo-opaque-48x48.png">
+
+
     <style>
     .dennis-wrapper {
       overflow: hidden;