Initial commit with empty qt client and empty 'server'

client/src/ui/mainwindow.cpp

@@ -0,0 +1,9 @@
+#include "ui/mainwindow.h"
+#include "ui_mainwindow.h"
+
+MainWindow::MainWindow(QWidget *parent)
+    : QMainWindow(parent), ui(new Ui::MainWindow) {
+  ui->setupUi(this);
+}
+
+MainWindow::~MainWindow() { delete ui; }