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/aienginegimbalservercrc16.h

@@ -0,0 +1,14 @@
+#pragma once
+
+#include <QByteArray>
+#include <cstdint>
+
+
+class AiEngineGimbalServerCrc16
+{
+public:
+    static void getCRCBytes(const QByteArray &data, int8_t *bytes);
+
+private:
+    static uint16_t calculateCRC(const uint8_t *ptr, uint32_t len, uint16_t crcInit);
+};