Add TODO for controller k/v API

diff --git a/README.md b/README.md
index bfb1471..605daaf 100644 (file)
--- a/README.md
+++ b/README.md
@@ -109,6 +109,7 @@ TODO
     - priority
     - snooze time (if already alerted, when to re-alert?)
     - text: subject/body
+- more-structured controller API: a sensor submits a list of k/v pairs
 
 Redesign notes
 --------------