update fa cloud

Author: yhbcode000

_includes/head.html

@@ -15,7 +15,7 @@
     <link href="css/landing-page.css" rel="stylesheet">
 
     <!-- Custom Fonts -->
-    <link href="font-awesome-4.7.0/css/font-awesome.min.css" rel="stylesheet" type="text/css">
+    <script src="https://kit.fontawesome.com/21c9c2f4d5.js" crossorigin="anonymous"></script>
     <link href="http://fonts.googleapis.com/css?family=Lato:300,400,700,300italic,400italic,700italic" rel="stylesheet" type="text/css">
 
     <!-- HTML5 Shim and Respond.js IE8 support of HTML5 elements and media queries -->