Added tone key mix ratio in Settings -> Audio

Renamed Setup to Settings
Updated binary

firmware/application/main.cpp

@@ -27,7 +27,7 @@
 // Check what ends up in the BSS section by looking at the map files !
 // Use constexpr where possible or make sure const are in .cpp files, not headers !
 
-//TEST: Goertzel
+//TEST: Goertzel tone detect
 //TEST: Menuview refresh, seems to blink a lot
 //TEST: Check AFSK transmit end, skips last bits ?
 //TEST: Imperial in whipcalc
@@ -37,6 +37,9 @@
 //BUG: SCANNER Multiple slices
 //GLITCH: The about view scroller sometimes misses lines because of a race condition between the display scrolling and drawing the line
 
+//TODO: Make play button larger in Replay
+//TODO: Put LNA and VGA controls in Soundboard
+//TODO: Add default headphones volume setting in Audio settings
 //TODO: Move Touchtunes remote to Custom remote
 //TODO: Use escapes \x1B to set colors in text, it works !
 //TODO: Open files in File Manager
@@ -74,10 +77,8 @@ Continuous (Fox-oring)
 //TODO: Use msgpack for settings, lists... on sd card
 
 // Multimon-style stuff:
-//TODO: CTCSS detector
 //TODO: DMR detector
 //TODO: GSM channel detector
-//TODO: SIGFOX RX/TX
 //TODO: Playdead amnesia and login
 //TODO: Setup: Play dead by default ? Enable/disable ?