Fixes and new apps (#30)

- M5 Unit Modules library + M5 Unit Test app
- Minor fixes for TodoList, TwoEleven, Snake, Brainfuck and Breakout
- Fixed SerialConsole to use the uart controller as it was broken in one of the many updates
- Fixed keyboard input in TwoEleven, Breakout, Magic8Ball and Snake
- Bluetooth Media Keys app, supports pressing physical keys to trigger the corresponding buttonmatrix button
- Epub Reader app

Apps/SerialConsole/main/Source/SerialConsole.cpp

@@ -11,10 +11,14 @@ void SerialConsole::stopActiveView() {
     }
 }
 
-void SerialConsole::showConsoleView(std::unique_ptr<Uart> uart) {
+void SerialConsole::showConsoleView(Device* dev) {
+    if (dev == nullptr) {
+        ESP_LOGE(TAG, "showConsoleView: null device");
+        return;
+    }
     stopActiveView();
     activeView = &consoleView;
-    consoleView.onStart(wrapperWidget, std::move(uart));
+    consoleView.onStart(wrapperWidget, dev);
     lv_obj_remove_flag(disconnectButton, LV_OBJ_FLAG_HIDDEN);
 }