Update README.md

lib/assets and vendor/assets folders are added also to config.assets.paths by default

Author: guilleiguaran

README.md

@@ -61,7 +61,8 @@ Set to `true` to enable additional runtime error checking. Recommended in the `d
 
 **`config.assets.paths`**
 
-Add additional load paths to this Array. Rails includes `app/assets` for you already. Plugins might want to add their custom paths to this.
+Add additional load paths to this Array. Rails includes `app/assets`, `lib/assets` and `vendor/assets` for you already. Plugins might want to add their custom paths to this.
+
 
 **`config.assets.version`**