doc/TODO: update

TODO

@@ -1,6 +1,12 @@
-- Insert
-- Update cell
-- Delete row(s)
+- Cast DB to wider interface to check feature support
+- Syntax highlighting in editor
+- Mutation
+	- Get real primary key for mutation instead of string approximation
+	- Badger: Support insert/update/delete
+	- Pebble: Support insert/update/delete
+	- Debconf: Support insert/update/delete
+	- Redis: Support insert/update/delete
+	- SQLite: Support insert/update/delete
 - Binary data viewer
 	- Detect jpg/png and show as image
 - More DB types
@@ -10,9 +16,11 @@
 	- MSSQL (recursive navigation for instances)
 	- Other K/V stores from https://github.com/smallnest/kvbench 
 	- Windows registry
+- Connection dialog
 	- SSH tunnels
 	- Badger encryption key dialog
 	- Pebble: connection options dialog
+- Actions
 	- SQLite: DB compact action
 	- SQLite: DB export backup action
 	- SQLite: drop table action