Move most of the code from the constructor of the objects statically initialized in main() into Start()/Init() functions to avoid Static Initialization Order Fiasco (https://en.cppreference.com/w/cpp/language/siof). See https://github.com/JF002/InfiniTime/pull/415#issuecomment-859004238.

src/main.cpp

@@ -306,6 +306,8 @@ int main(void) {
   debounceTimer = xTimerCreate("debounceTimer", 200, pdFALSE, (void*) 0, DebounceTimerCallback);
   debounceChargeTimer = xTimerCreate("debounceTimerCharge", 200, pdFALSE, (void*) 0, DebounceTimerChargeCallback);
 
+  lvgl.Init();
+
   systemTask.Start();
   nimble_port_init();