fix(scss): use various supported font file formats

Author: caidanw

global.scss

@@ -1,11 +1,15 @@
 @font-face {
   font-family: 'ServerMono-Regular';
-  src: url('https://intdev-global.s3.us-west-2.amazonaws.com/public/internet-dev/6c8ad1f3-2ad9-44a9-88db-46ff3f19c4f3.woff') format('woff');
+  src: url('/fonts/ServerMono-Regular.woff2') format('woff2'),    /* Best compression, modern browsers */
+       url('/fonts/ServerMono-Regular.woff') format('woff'),      /* Good compression, wider support */
+       url('/fonts/ServerMono-Regular.otf') format('opentype');   /* Largest files, universal support */
 }
 
 @font-face {
   font-family: 'ServerMono-Regular-Italic';
-  src: url('https://intdev-global.s3.us-west-2.amazonaws.com/public/internet-dev/952cb532-3021-434a-b0ac-f4fcc8acf330.woff') format('woff');
+  src: url('/fonts/ServerMono-RegularSlanted.woff2') format('woff2'),
+       url('/fonts/ServerMono-RegularSlanted.woff') format('woff'),
+       url('/fonts/ServerMono-RegularSlanted.otf') format('opentype');
 }
 
 html,