feat: add Intercom widget to rails world 2025 pages

Author: ibramsterdam

_includes/world/2025/head.html

@@ -74,6 +74,15 @@
     })
   </script>
 
+  <script>
+    window.intercomSettings = {
+      api_base: "https://api-iam.intercom.io",
+      app_id: "rubyonrails",
+    };
+
+    (function(){var w=window;var ic=w.Intercom;if(typeof ic==="function"){ic('reattach_activator');ic('update',w.intercomSettings);}else{var d=document;var i=function(){i.c(arguments);};i.q=[];i.c=function(args){i.q.push(args);};w.Intercom=i;var l=function(){var s=d.createElement('script');s.type='text/javascript';s.async=true;s.src='https://widget.intercom.io/widget/rubyonrails';var x=d.getElementsByTagName('script')[0];x.parentNode.insertBefore(s,x);};if(document.readyState==='complete'){l();}else if(w.attachEvent){w.attachEvent('onload',l);}else{w.addEventListener('load',l,false);}}})();
+  </script>
+
   <link rel="icon" href="/assets/images/favicon.ico" />
   <link rel="apple-touch-icon" type="image/png" href="/assets/images/apple-touch-icon.png" />
   <link rel="stylesheet" href="https://use.typekit.net/lar2lzk.css">