Make some functions

server/views/templates/layout.pug

@@ -23,6 +23,22 @@ html(lang="en" dir="ltr")
 
         block additionalStyle
     body
+        -
+            const translatorDisplayName = function(translationChapterTranslator) {
+                return translationChapterTranslator.translator.entityEmail == null ? translationChapterTranslator.translator.name : translationChapterTranslator.translator.entityEmail.email.address
+            };
+            const stringToColour = function(str) {
+                var hash = 0;
+                for (var i = 0; i < str.length; i++) {
+                    hash = str.charCodeAt(i) + ((hash << 5) - hash);
+                }
+                var colour = '#';
+                for (var i = 0; i < 3; i++) {
+                    var value = (hash >> (i * 8)) & 0xFF;
+                    colour += ('00' + value.toString(16)).substr(-2);
+                }
+                return colour;
+            }
         ul.sidenav.sidenav-fixed#slide-out
             li
                 .user-view.primary-color-light.z-depth-2