Add TODO items

Author: m1foley

TODO.md

@@ -1,5 +1,6 @@
 # TODO
 
+- CD: https://fly.io/docs/app-guides/continuous-deployment-with-github-actions/
 - Put everyone's discards in front of their hand (suggested by Mom)
 - Bug: Can't undo to get first discarded tile of the game from bot (human went last, missed a discarded tile, can't go back to beginning of game). If there are no human actions to go back to, Undo should return to beginning of game.
 - Bug: Undoing a win after a bot drew a tile hung bot (workaround: paused & unpaused bots)
@@ -31,6 +32,8 @@
 - 2-click instead of drag & drop. First click will pause other players.
 - Display everyone's wind direction instead of staircase
 - Animate deal: 4 at a time goes into people's hand
+- Sanity check for (possible race condition) bug: rearranging hand leads to duplicate tiles. Last time it happened after peek tile got put into hand, and user drag & dropped that new tile.
+- Remember sorted hand so it doesn't get reshuffled when losing internet connection
 
 ## Future rule enforcement
 - Winning tile was the last one picked up