modifying all the files to match the app

src/suyu/install_dialog.h

@@ -0,0 +1,34 @@
+// SPDX-FileCopyrightText: Copyright 2020 suyu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <QDialog>
+
+class QCheckBox;
+class QDialogButtonBox;
+class QHBoxLayout;
+class QLabel;
+class QListWidget;
+class QVBoxLayout;
+
+class InstallDialog : public QDialog {
+    Q_OBJECT
+
+public:
+    explicit InstallDialog(QWidget* parent, const QStringList& files);
+    ~InstallDialog() override;
+
+    [[nodiscard]] QStringList GetFiles() const;
+    [[nodiscard]] int GetMinimumWidth() const;
+
+private:
+    QListWidget* file_list;
+
+    QVBoxLayout* vbox_layout;
+    QHBoxLayout* hbox_layout;
+
+    QLabel* description;
+    QLabel* update_description;
+    QDialogButtonBox* buttons;
+};