FIX initialisation and declaration order

static_scheduling/pedal_device.hpp

@@ -46,9 +46,9 @@ class PedalDevice {
     void decreaseRotationSpeed();
 
     // data members
+    Timer& _timer;
     std::chrono::milliseconds _pedalRotationTime =
         bike_computer::kInitialPedalRotationTime;
-    Timer& _timer;
 };
 
 }  // namespace static_scheduling