🚌 Adds eventbus with bluetooth adapter

esp32/include/msgs/mode_msg.hpp

@@ -0,0 +1,10 @@
+#pragma once
+#include <ArduinoJson.h>
+
+enum class MotionState { ON, OFF };
+
+struct ModeMsg {
+    MotionState mode;
+    friend void toJson(JsonVariant v, ModeMsg const &m) { v.set(static_cast<int>(m.mode)); }
+    void fromJson(JsonVariantConst o) { mode = (MotionState)o.as<int>(); }
+};