Move apps into a top-level Applications/ directory.

Applications/FileManager/main.cpp

@@ -0,0 +1,47 @@
+#include <SharedGraphics/GraphicsBitmap.h>
+#include <LibGUI/GWindow.h>
+#include <LibGUI/GWidget.h>
+#include <LibGUI/GButton.h>
+#include <LibGUI/GListBox.h>
+#include <LibGUI/GEventLoop.h>
+#include <sys/wait.h>
+#include <signal.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <errno.h>
+#include "DirectoryView.h"
+
+static GWindow* make_window();
+
+int main(int, char**)
+{
+    GEventLoop loop;
+
+    auto* window = make_window();
+    window->set_should_exit_app_on_close(true);
+    window->show();
+
+    return loop.exec();
+}
+
+GWindow* make_window()
+{
+    auto* window = new GWindow;
+    window->set_title("FileManager");
+    window->set_rect(20, 200, 240, 300);
+
+    auto* widget = new GWidget;
+    window->set_main_widget(widget);
+
+    auto* directory_view = new DirectoryView(widget);
+    directory_view->set_relative_rect({ 0, 0, 240, 300 });
+
+    directory_view->on_path_change = [window] (const String& new_path) {
+        window->set_title(String::format("FileManager: %s", new_path.characters()));
+    };
+
+    directory_view->open("/");
+
+    return window;
+}
+