add R support

Gregory Werbin · Gregory Werbin · commit 7ad79c7b77bd · 2015-10-03T01:43:46.000-04:00
diff --git a/after/syntax/r.vim b/after/syntax/r.vim
@@ -0,0 +1,6 @@
+" Language:     Colorful CSS Color Preview
+" Author:       Greg Werbin <ourobourbon@gmail.com>
+
+if !( has('gui_running') || &t_Co==256 ) | finish | endif
+
+call css_color#init('hex', 'extended', 'rComment,rString')
