THe stylesheet/external/ directory will be for storing 3rd-party (aka: external) css.
I am currently investigating different css libraries to include, such as:
- full_calendar
- jquery_mobile
- html5_shiv
The same goes for the images/external/ directory.
-# ignore 3rd-part, aka: external, javascript files.
+# ignore 3rd-party, aka: external, javascript, stylesheet, and images files.
javascript/external/
+stylesheet/external/
+image/external/