migration to platformio

src/state.h

@@ -0,0 +1,17 @@
+#pragma once
+#include "station.h"
+#include "context.h"
+
+class Station;
+
+class State
+{
+public:
+    virtual ~State() = default;
+
+    virtual State* pickedUp(Context context) { return this; }
+    virtual State* putDown(Context context, Station* newStation) { return this; }
+    virtual State* update(Context context) { return this; }
+
+    virtual String updateDisplay() { return ""; }
+};