Updated readme screenshot

app/server/utils/escapeHtml.js

@@ -1,4 +1,4 @@
-module.exports = function escapeHtml(unsafe) {
+module.exports = (unsafe) => {
     return unsafe
          .replace(/&/g, '&')
          .replace(/</g, '&lt;')

app/server/utils/stringToCode.js

@@ -1,4 +1,4 @@
-module.exports = function stringToCode(string) {
+module.exports = (string) => {
 
   var dictionary = {
     'black': 0,