Use common activity pattern

src/CrossPointSettings.h

@@ -271,6 +271,8 @@ class CrossPointSettings {
   // Use clock and keep the LP timer running during deep sleep (GPIO13 HIGH)
   // so time can be accurately restored on wake. Increases sleep current by ~3-4 mA.
   uint8_t useClock = 0;
+  // Show the Weather home screen menu item (1 = enabled, 0 = hidden)
+  uint8_t useWeather = 1;
 
   ~CrossPointSettings() = default;