fonts: add Cabin font (#31733)

README

@@ -148,5 +148,16 @@ copyright notices:
   #
   # http://www.latofonts.com/
 
+* Cabin
+  # Copyright (c) 2011, Pablo Impallari (www.impallari.com|impallari@gmail.com),
+  # Copyright (c) 2011, Igino Marini. (www.ikern.com|mail@iginomarini.com),
+  # with Reserved Font Name Cabin.
+  #
+  # This Font Software is licensed under the SIL Open Font License, Version 1.1
+  #
+  # https://www.fontsquirrel.com/license/cabin
+
+~~~~
+
 Some theme variant files have their own specific licenses; refer to
 static/$theme/README for details.

static/includes/_font-cabin.scss

@@ -0,0 +1,19 @@
+@mixin cabin-font($type, $weight, $style) {
+	@font-face {
+		font-family: 'Cabin';
+		src: url('../fonts/Cabin/Cabin-#{$type}.woff2') format('woff2'),
+		     url('../fonts/Cabin/Cabin-#{$type}.woff') format('woff');
+		font-weight: $weight;
+		font-style: $style;
+	}
+}
+
+@include cabin-font('Regular', 400, normal);
+@include cabin-font('Medium', 500, normal);
+@include cabin-font('SemiBold', 600, normal);
+@include cabin-font('Bold', 700, normal);
+
+@include cabin-font('RegularItalic', 400, italic);
+@include cabin-font('MediumItalic', 500, italic);
+@include cabin-font('SemiBoldItalic', 600, italic);
+@include cabin-font('BoldItalic', 700, italic);