Add LESS syntax highlighting.

demo/kitchen-sink/docs/less.less

@@ -0,0 +1,28 @@
+/* styles.less */
+
+@base: #f938ab;
+
+.box-shadow(@style, @c) when (iscolor(@c)) {
+    box-shadow:         @style @c;
+    -webkit-box-shadow: @style @c;
+    -moz-box-shadow:    @style @c;
+}
+.box-shadow(@style, @alpha: 50%) when (isnumber(@alpha)) {
+    .box-shadow(@style, rgba(0, 0, 0, @alpha));
+}
+
+// Box styles
+.box { 
+    color: saturate(@base, 5%);
+    border-color: lighten(@base, 30%);
+    
+    div { .box-shadow(0 0 5px, 30%) }
+  
+    a {
+        color: @base;
+        
+        &:hover {
+            color: lighten(@base, 50%);
+        }
+    }
+}