Adds initial intermediate qt6 porting state

qt6-after/qt6-migrated-legatus/Z/src/tcpserver/cbi_help.cpp

@@ -0,0 +1,29 @@
+
+
+
+#include "cbi_help.h"
+#include "workerbase.h"
+
+#include <algorithm>
+#include <QtCore/QStringList>
+
+CBI_Help::CBI_Help(unsigned short port)
+  : CommandInterface(port, "HELP")
+{}
+
+void CBI_Help::handleCommandInternal(const QVector<QByteArray> &)
+{
+  const auto commands = workerBase()->getCommands();
+  QStringList list;
+  list.reserve(commands.size());
+  for (const CommandInterface *i : commands)
+    list += i->help();
+
+  std::sort(list.begin(), list.end());
+  writeData(list.join(QLatin1Char('\n')));
+}
+
+QString CBI_Help::help() const
+{
+  return QLatin1String("HELP - prints out help informations");
+}