doc: update TODO

TODO.txt

@@ -1,5 +1,5 @@
 
-[ ] Nick translation
+## NEXT
 
 [ ] Attachment support
 	[ ] Telegram -> NMDC
@@ -10,12 +10,20 @@
 		[ ] Display warning in groupchat if message cannot be delivered to native users, or if it was delivered at low fidelity
 	[ ] Including private messages??? is that possible?
 
-[ ] Editing Messages support
-
-[ ] Drop NMDC connections for inactive users(?)
-	[ ] No way to measure inactivity??
-
-[ ] NMDC passworded nicks
-	- If detected, k/b the registration
-
 [ ] Publish
+
+
+## FUTURE
+
+- Nick translation
+
+- Editing Messages support
+	- show up in the hub as {message} **
+	
+- Drop hub connections for inactive telegram users
+	- no way to measure inactivity??
+	
+- Support passworded hub nicks
+
+- Better/automatic detection of when an upstream disconnection should be reflected in telegram
+	- Being kicked hub-side should also lose the groupchat connection