fix(fonts): update font file path in _font.scss to use the new woff2 file format

fix(fonts): remove HelveticaNowText-Regular.woff font file and add HelveticaNowText-Regular.woff2 font file

assets/scss/_core/_font.scss

@@ -1,6 +1,6 @@
 @font-face {
   font-family: HelveticaNow;
-  src: url('/fonts/HelveticaNowText-Regular.woff') format('woff');
+  src: url('/lib/fonts/HelveticaNowText-Regular.woff2') format('woff2');
   font-weight: 400;
   font-style: normal;
 }