Clock: Turns the clock window from guitest2 into a separate program.

We can't not have a desktop clock app. :^)

Clock/main.cpp

@@ -0,0 +1,21 @@
+#include <LibGUI/GEventLoop.h>
+#include <LibGUI/GWindow.h>
+#include "ClockWidget.h"
+
+int main(int, char**)
+{
+    GEventLoop loop;
+
+    auto* window = new GWindow;
+    window->set_title("Clock");
+    window->set_rect({ 100, 100, 100, 40 });
+
+    auto* clock_widget = new ClockWidget;
+    clock_widget->set_relative_rect({ 0, 0, 100, 40 });
+    window->set_main_widget(clock_widget);
+
+    window->show();
+    return loop.exec();
+}
+
+