Changed directory structure and renamed applications

- autopilot -> drone_controller
- rtsp_ai_player -> ai_controller
- added top level qmake project file
- updated documentation
- moved small demo applications from tmp/ to misc/

ai_controller/aienginegimbalclient.h

@@ -0,0 +1,30 @@
+#pragma once
+
+#include <QObject>
+#include <QElapsedTimer>
+#include "aiengineinference.h"
+#include "aienginegimbalserver.h"
+#include "aienginedefinitions.h"
+
+class AiEngineGimbalClient : public QObject
+{
+    Q_OBJECT
+public:
+    explicit AiEngineGimbalClient(QObject *parent = nullptr);
+
+private slots:
+    void aiTargetZoomedSlot(AiEngineTargetPosition targetPosition);
+    void cameraPositionSlot(AiEngineCameraPosition cameraPosition);
+
+public slots:
+    void inferenceResultSlot(AiEngineInferenceResult results);
+
+signals:
+    void setDronePosition(AiEngineDronePosition);
+    void zoomToAiTarget(AiEngineCameraTarget);
+    void setCameraPosition(AiEngineCameraPosition);
+
+private:
+    AiEngineRectangle getGroupCoordinates(QVector<AiEngineObject> &objects);
+    AiEngineGimbalServer *mGimbalServer;
+};