Adds initial intermediate qt6 porting state

qt6-after/qt6-migrated-legatus/Lts/DDS/DTS/generic_dts.h

@@ -0,0 +1,29 @@
+
+
+#pragma once
+
+#include <dds/domain/DomainParticipant.hpp>
+#include <dds/pub/Publisher.hpp>
+#include <dds/sub/SampleInfo.hpp>
+
+namespace DTS
+{
+class Base
+{
+public:
+  Base() = default;
+  virtual ~Base() = default;
+};
+
+template <typename TopicType>
+class GenericDts : public Base
+{
+public:
+  GenericDts() = default;
+  virtual ~GenericDts() = default;
+
+  virtual bool write(const TopicType &data,
+                     const dds::core::optional<dds::sub::SampleInfo> &si = dds::core::optional<dds::sub::SampleInfo>()) = 0;
+  virtual bool remove(const TopicType &data, bool errorMsgIfNotExists = true) = 0;
+};
+}