added missing subdirectory for qt

Author: StephanKa

src/qt/CMakeLists.txt

@@ -0,0 +1,4 @@
+FIND_PACKAGE(QT6 REQUIRED)
+
+ADD_EXECUTABLE(test_qt main.cpp)
+TARGET_LINK_LIBRARIES(test_qt PRIVATE ${CMAKE_THREAD_LIBS_INIT} qt::qt)

src/qt/main.cpp

@@ -0,0 +1,6 @@
+
+
+int main()
+{
+    return 0;
+}