added another base_uri example

Author: c33s

reference/configuration/framework.rst

@@ -960,6 +960,7 @@ http://example.org       /bar                http://example.org/bar
 http://example.org/foo   /bar                http://example.org/bar
 http://example.org/foo   bar                 http://example.org/bar
 http://example.org/foo/  bar                 http://example.org/foo/bar
+http://example.org/foo/  /bar                http://example.org/bar
 http://example.org       http://symfony.com  http://symfony.com
 http://example.org/?bar  bar                 http://example.org/bar
 =======================  ==================  ==========================