update todos

README.md

@@ -61,7 +61,7 @@ If you have Tether Egui installed (`cargo install tether-egui`) then the easiest
 - [x] With macros, add some visual indicators of state, e.g. Colour, Brightness and Pan/Tilt
 - [x] Allow the app to launch just fine without Tether
 - [x] If no ArtNet provided in Project (and no settings provided from CLI), then do NOT connect, but allow editing / manual connect
-- [ ] Allow Tether settings to be saved with project as well
+- [x] Allow Tether settings to be saved with project as well
 - [ ] Keep project files sorted, e.g. by fixtures
 - [x] Allow the app to launch without any project file at all
 - [ ] Add 16-bit control, at least for macros (single slider adjusts the two channels as split between first and second 8-bit digits)