Add remaining int settings from initStage1 to new API

The settings API does not deal with unsigned ints, it is the
responsibility of the calling function to ensure that values are savable
as signed ints.

src/settings/settings.h

@@ -73,6 +73,11 @@ enum class StringSetting
 
 enum class IntSetting
 {
+    PLAYSPACE_snapTurnAngle,
+    PLAYSPACE_smoothTurnRate,
+    PLAYSPACE_dragComfortFactor,
+    PLAYSPACE_turnComfortFactor,
+
     UTILITY_alarmHour,
     UTILITY_alarmMinute,
     // LAST_ENUMERATOR must always be set to the last value