Add Qt5 dependency and create a test window

main.cpp

@@ -15,6 +15,8 @@
  * along with remarkable_tool.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "main_window.hpp"
+#include <QApplication>
 #include <iostream>
 #include <simdjson.h>
 #include <string_view>
@@ -195,9 +197,13 @@ std::vector<const NotebookInfo*> make_dele_list (const Node& tree) {
 }
 } //unnamed namespace
 
-int main() {
+int main (int argc, char* argv[]) {
 	using std::string_view;
 
+	QApplication app(argc, argv);
+	duck::MainWindow win;
+	win.show();
+
 	auto notebooks = build_notebook_infos(BASE_PATH);
 	std::vector<Node> roots = to_tree(notebooks);
 	std::vector<const NotebookInfo*> dele_list;
@@ -211,5 +217,5 @@ int main() {
 			std::cout << "/home/root/.local/share/remarkable/xochitl/" << f << '\n';
 		}
 	}
-	return 0;
+	return app.exec();
 }