added local image asset

emscripten/project/purr-data/index.html

@@ -4,7 +4,7 @@
 		<meta charset="utf-8">
 		<meta content="text/html; charset=utf-8" http-equiv="Content-Type">
 		<title>Purr Data</title>
-		<link rel="shortcut icon" type="image/jpg" href="https://agraef.github.io/purr-data-intro/purr.png"/>
+		<link rel="shortcut icon" type="image/jpg" href="./purr.png"/>
 		<meta name="description" content="Purr Data compiled for web with Emscripten" />
 		<meta name="keywords" content="purr-data" />
 		<meta name="generator" content="emsripten" />