added favicon

index.html

@@ -7,6 +7,7 @@
     <meta name="keywords" content="hex, rbg, rgba, hex2rgb, hex2rgba, converter, hex2rgba converter, hex to rgb converter, hex to rgba converter, online, free">
     <meta name="description" content="hex2rgb(a) web converter. Auto copies rgba() value to clipboard and displays entered color. Might be useful for CSS devs :)">
     <meta name="author" content="https://tgomilar.github.io">
+    <link rel="icon" href="/favicon.ico">
     <!--Import Fonts-->
     <script src="https://use.fontawesome.com/9576790a31.js"></script>
     <link href="https://fonts.googleapis.com/css?family=Shrikhand" rel="stylesheet">