reorganizing license snippet

src/assets/font-awesome/less/font-awesome.less

@@ -1,6 +1,6 @@
 ---
 ---
-{% include license-code.less %}
+{% include code/license.txt %}
 
 @import "variables.less";
 @import "mixins.less";

src/assets/font-awesome/scss/font-awesome.scss

@@ -1,6 +1,6 @@
 ---
 ---
-{% include license-code.less %}
+{% include code/license.txt %}
 
 @import "variables";
 @import "mixins";