switch cron to 6-figure expressions. introduce hashes by tab.

themes/comply-blank/templates/index.ace

@@ -13,7 +13,7 @@ html lang=en
     = javascript
       document.addEventListener("DOMContentLoaded", function(event) {
         document.querySelectorAll('.cron').forEach(function(el) {
-          el.innerHTML = prettyCron.toString(el.innerHTML)
+          el.innerHTML = prettyCron.toString(el.innerHTML,true) // 6-field expressions
         })
       })