Merge pull request 'slow welcome page carousel' (#19) from carmen into prod

Reviewed-on: #19

layouts/index.html

@@ -97,7 +97,7 @@
             } else {
                 item.classList.add('is-block')
             };
-            item.style.transition = "transform 1s ease";
+            item.style.transition = "transform 2s ease";
         });
 
         function moveToNextItem() {
@@ -122,7 +122,7 @@
                 }
             })
         }
-        setInterval(moveToNextItem, 2000);
+        setInterval(moveToNextItem, 4000);
     });
 </script>