clean code

index.html

@@ -8,7 +8,7 @@
     <link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/mdbassit/Coloris@latest/dist/coloris.min.css"/>
     <script src="https://cdn.jsdelivr.net/gh/mdbassit/Coloris@latest/dist/coloris.min.js"></script>
     <script src="./constants.js"></script>
-    <script src="./sketch.js"></script>
+    <script src="./sketch2.js"></script>
     <script src="./languages.js"></script>
     <link rel="stylesheet" type="text/css" href="style.css">
     <link rel="stylesheet" type="text/css" href="https://github.com/necolas/normalize.css">