refactor(css): use google's Sarabun font family app-wide

Author: landonreed

index.html

@@ -4,6 +4,7 @@
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=0">
     <title>Data Tools</title>
+    <link href="https://fonts.googleapis.com/css?family=Sarabun" rel="stylesheet">
     <link href="/dist/index.css" rel="stylesheet">
     <link rel="shortcut icon" href="https://d2f1n6ed3ipuic.cloudfront.net/conveyal-128x128.png" type="image/x-icon">
   </head>

lib/style.css

@@ -14,6 +14,11 @@ body {
   -webkit-overflow-scrolling: touch;
 }
 
+/* Font for entire app */
+* {
+  font-family: 'Sarabun', sans-serif;
+}
+
 kbd {
   display: inline-block;
   margin: 0 .1em;