feat: Add new canvas effect "Wavy Layer"

Author: seungyeub

canvas/wavy-layer/index.html

@@ -6,7 +6,7 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta http-equiv="X-UA-Compatible" content="ie=edge">
-    <title>Rotating Polygons Canvas</title>
+    <title>Wavy Layer Canvas</title>
     <link rel="shortcut icon" href="../../favicon.ico">
     <link rel="stylesheet" type="text/css" href="style.css">
 </head>