Update index.html

public/index.html

@@ -16,6 +16,7 @@
         <link rel="stylesheet" href="index.css" media="screen">
 		<link rel="stylesheet" type="text/css" href="./CSS/gowanus.css">
 		<!-- external scripts -->
+        <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
         <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
         <script src='./ThirdParty/apexcharts-bundle/dist/apexcharts.min.js'></script>
         <script src='./ThirdParty/Bootstrap/js/bootstrap.min.js'></script>