Adds initial intermediate qt6 porting state

qt6-after/qt6-migrated-legatus/Lts/Proxies/TrainingAreaBase/Plugins/DebugJsonDir/plugin.h

@@ -0,0 +1,26 @@
+
+
+
+#pragma once
+
+#include <QObject>
+#include <TrainingAreaBase/tab_plugin_interface.h>
+
+namespace TetraRadio
+{
+class DebugJsonDirPlugin : public QObject, public TrainingAreaBase::Plugin::Plugin
+{
+  Q_OBJECT
+  Q_PLUGIN_METADATA(IID "special:3:tab.jsondir")
+  Q_INTERFACES(TrainingAreaBase::Plugin::Plugin)
+public:
+  DebugJsonDirPlugin() = default;
+  ~DebugJsonDirPlugin() = default;
+  std::shared_ptr<TrainingAreaBase::Plugin::Interface> createInterface(TrainingAreaBase::Plugin::DataProvider *pdp,
+                                                                       const std::shared_ptr<TrainingAreaBase::RecvFromTab> &recvFromTabCb,
+                                                                       const std::shared_ptr<TrainingAreaBase::TxMixin> &sendToTabCb,
+                                                                       const std::shared_ptr<TrainingAreaBase::DdsHandler> &ddsHandler,
+                                                                       NGL::Settings *settings) override;
+};
+
+}