build(dependencies): add roboto font

src/app/theme/initial.scss

@@ -1,3 +1,4 @@
 @import 'sass/conf/conf';
 @import 'sass/preloader';
 @import 'sass/ionicons';
+@import 'sass/fonts';

src/app/theme/sass/_fonts.scss

@@ -0,0 +1,3 @@
+$roboto-font-path: "~roboto-fontface/fonts/";
+
+@import "~roboto-fontface/css/roboto/sass/roboto-fontface";

src/index.html

@@ -33,8 +33,5 @@
 <script src="/webpack-dev-server.js"></script>
 <% } %>
 
-<link
-  href='https://fonts.googleapis.com/css?family=Roboto:400,100,100italic,300,300italic,400italic,500,500italic,700,700italic,900italic,900&subset=latin,greek,greek-ext,vietnamese,cyrillic-ext,latin-ext,cyrillic'
-  rel='stylesheet' type='text/css'>
 </body>
 </html>