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/aienginegimbalserverudp.h

@@ -0,0 +1,28 @@
+#pragma once
+
+
+#include <QObject>
+#include <QUdpSocket>
+
+
+#define SERVER_IP "192.168.0.25"
+#define SERVER_PORT 37260
+#define RECV_BUF_SIZE 1024
+
+
+class AiEngineGimbalServerUDP : public QObject
+{
+    Q_OBJECT
+public:
+    explicit AiEngineGimbalServerUDP(QObject *parent = nullptr);
+
+public:
+    ~AiEngineGimbalServerUDP();
+
+public slots:
+    void sendCommand(const QByteArray &command);
+    QByteArray readResponse();
+
+private:
+    QUdpSocket *mUdpSocket;
+};