Add example for tab space trick

Rafal Chmiel · Rafal Chmiel · commit 5c5278bdd743 · 2014-04-19T10:39:04.000+01:00
diff --git a/README.md b/README.md
@@ -65,6 +65,14 @@ Adding `?w=1` to any diff URL will remove any changes only in whitespace, enabli
 ### Adjust Tab Space
 Adding `?ts=4` to a diff or file URL will display tab characters as 4 spaces wide instead of the default 8. The number after `ts` can be adjusted to suit your preference. This does not work on Gists, or raw file views.
 
+Here is a Go source file beofre adding `?ts=4`:
+
+![Before, tab space example](http://i.imgur.com/GIT1Fr0.png)
+
+...and this is after adding `?ts=4`:
+
+![After, tab space example](http://i.imgur.com/70FL4H9.png)
+
 ### Commit History by Author
 To view all commits on a repo by author add `?author=username` to the URL.
 
