[gimp-web/testing] Add reference to LGW asset article (ty prokoudine)

[Pat David <patdavid src gnome org>]

commit 7fb1db23984cbd610677d02b6f9c3c2d9bd7eabf
Author: Pat David <patdavid gmail com>
Date:   Wed Feb 1 09:50:03 2017 -0600

    Add reference to LGW asset article (ty prokoudine)

 content/tutorials/Asset_Folders/index.md |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/content/tutorials/Asset_Folders/index.md b/content/tutorials/Asset_Folders/index.md
index a15d9da..c57eb4f 100644
--- a/content/tutorials/Asset_Folders/index.md
+++ b/content/tutorials/Asset_Folders/index.md
@@ -85,6 +85,11 @@ It will work regardless of OS and should be the default method for finding these
 
 TIP: If possible, consider using a separate folder to store your own assets in, and then linking to it from 
these dialogs.
 
+[Libre Graphics World][lgw] has a more in-depth article on this topic that includes looking at installing 
many other assets as well.  You can read it here:
+
+* [GIMP add-ons: types, installation, management | Libre Graphics 
World](http://libregraphicsworld.org/blog/entry/gimp-add-ons-types-installation-management)
+
+[lgw]: http://libregraphicsworld.org/
 
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