🔧 Fix function keys not working and retry more often when getting val…

…ues. (MonitorControl#21)

* Update `ddcctl` submodule.

* Update dependencies.

* Enable displays by default.

* Retry more often to get values from display.

* Only print when debugging.

Fix MonitorControl#13

🚀 v1.2.1

- Updated MediaKeyTap dependencies

Signed-off-by: Guillaume Broder <[email protected]>

🎉 v1.2

Many changes in commit…
- Contrast slider is back !
- Added a Preferences Window
- Function keys (should) work
- If (like me) your screen backlight is still too bright even at 0, you can now set the contrast to 0 when the brightness hit 0 too
- App can now be started at login (Needs to be tested)

Signed-off-by: Guillaume Broder <[email protected]>

♻️ Refactoring

- Key handling is now done in the app, close MonitorControl#3
- All code linted with SwiftLint, close MonitorControl#4
- Better handling of built-in screen

Signed-off-by: Guillaume Broder <[email protected]>

🎉 1.0

- Code rework
- Native OSD
- Change default shortcuts for problems with apps
- Codesign app

Signed-off-by: Guillaume Broder <[email protected]>