Revert font-awesome.less file that was accidentally removed

less/font-awesome.less

@@ -0,0 +1,18 @@
+/*!
+ *  Font Awesome 4.7.0 by @davegandy - http://fontawesome.io - @fontawesome
+ *  License - http://fontawesome.io/license (Font: SIL OFL 1.1, CSS: MIT License)
+ */
+
+@import "variables.less";
+@import "mixins.less";
+@import "path.less";
+@import "core.less";
+@import "larger.less";
+@import "fixed-width.less";
+@import "list.less";
+@import "bordered-pulled.less";
+@import "animated.less";
+@import "rotated-flipped.less";
+@import "stacked.less";
+@import "icons.less";
+@import "screen-reader.less";