[gnome-builder/wip/chergert/layout] update TODO

[Christian Hergert <chergert src gnome org>]

commit a92bc46e4859aedc72471f50e6aeb4193f536fa6
Author: Christian Hergert <chergert redhat com>
Date:   Thu Jul 6 00:48:14 2017 -0700

    update TODO

 TODO.txt |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/TODO.txt b/TODO.txt
index 2f7b033..41d74ae 100644
--- a/TODO.txt
+++ b/TODO.txt
@@ -7,6 +7,8 @@
 
  - other perspective interface methods
 
+ - snippets are broken
+
  - can we make perspectives the plugin interface?
 
  - view-added/removed/etc on IdeLayoutGrid