deleted unnecessary extra folder

Qt-application_for_UDP_broadcast/Device_finder.pro

@@ -0,0 +1,33 @@
+QT       += core gui network
+
+greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+
+CONFIG += c++11
+
+# You can make your code fail to compile if it uses deprecated APIs.
+# In order to do so, uncomment the following line.
+#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
+
+SOURCES += \
+    about.cpp \
+    main.cpp \
+    mainwindow.cpp
+
+HEADERS += \
+    about.h \
+    mainwindow.h
+
+FORMS += \
+    about.ui \
+    mainwindow.ui
+
+# Default rules for deployment.
+qnx: target.path = /tmp/$${TARGET}/bin
+else: unix:!android: target.path = /opt/$${TARGET}/bin
+!isEmpty(target.path): INSTALLS += target
+
+RESOURCES += \
+    res.qrc
+
+DISTFILES += \
+    README.md