add TODO about merging with existing data/node data

Signed-off-by: martin f. krafft <madduck@madduck.net>
diff --git a/TODO b/TODO
index 644bfe6..3090be7 100644
--- a/TODO
+++ b/TODO
@@ -14,3 +14,4 @@
 - Maybe a regexp→class mapping to allow massive numbers of nodes (e.g. web\d+)
   to be classified all at once, without requiring thousands of node-files to be
   created.
+- Make data from CMS available to reclass