started TODO list in README

README.md

@@ -26,4 +26,10 @@ Each note contains:
 
 The root page creates a new bin, and sets the browser's `location` accordingly.
 
-Clicking "New Note..." clears the search and sort, so the new note comes out first in the list.
+Clicking "New Note..." clears the search and sort, so the new note comes out first in the list.
+
+## TODO
+
+- key everything for efficiency
+- provide handlers for events
+- get/set state from/to server

index.css

@@ -1,3 +1,4 @@
+/* begin full-page app */
 html, body{
   padding: 0px;
   margin: 0px;
@@ -11,6 +12,7 @@ body{
 * {
   box-sizing: border-box;
   }
+/* end full-page app */
 
 .app{
   height: 100%;