Convert code to use Timer instead of Thread (#120)

Tactility/Source/app/i2cscanner/I2cScanner.h

@@ -5,6 +5,7 @@
 #include <Thread.h>
 #include "lvgl.h"
 #include "hal/i2c/I2c.h"
+#include "Timer.h"
 #include <memory>
 
 namespace tt::app::i2cscanner {
@@ -20,7 +21,7 @@ enum ScanState {
 struct Data {
     // Core
     Mutex mutex = Mutex(Mutex::TypeRecursive);
-    Thread* _Nullable scanThread = nullptr;
+    std::unique_ptr<Timer> scanTimer = nullptr;
     // State
     ScanState scanState;
     i2c_port_t port = I2C_NUM_0;
@@ -31,6 +32,6 @@ struct Data {
     lv_obj_t* scanListWidget = nullptr;
 };
 
-void onThreadFinished(std::shared_ptr<Data> data);
+void onScanTimerFinished(std::shared_ptr<Data> data);
 
 }