Move project files to map65 sub-directory

Preparation for merging with the wsjtx project repository.

map65/main.cpp

@@ -0,0 +1,16 @@
+#ifdef QT5
+#include <QtWidgets>
+#else
+#include <QtGui>
+#endif
+#include <QApplication>
+
+#include "mainwindow.h"
+
+int main(int argc, char *argv[])
+{
+    QApplication a(argc, argv);
+    MainWindow w;
+    w.show();
+    return a.exec();
+}