feat: init dbus service structure

Log: 初始化dbus服务结构

src/dbus/instanceservice.h

@@ -0,0 +1,26 @@
+// SPDX-FileCopyrightText: 2023 UnionTech Software Technology Co., Ltd.
+//
+// SPDX-License-Identifier: LGPL-3.0-or-later
+
+#ifndef INSTANCESERVICE_H
+#define INSTANCESERVICE_H
+
+#include <QObject>
+#include <QDBusObjectPath>
+
+class InstanceService : public QObject
+{
+    Q_OBJECT
+public:
+    explicit InstanceService(QObject *parent = nullptr);
+    virtual ~InstanceService();
+
+public:
+    Q_PROPERTY(QDBusObjectPath Application READ application)
+    QDBusObjectPath application() const;
+
+    Q_PROPERTY(QDBusObjectPath SystemdUnitPath READ systemdUnitPath)
+    QDBusObjectPath systemdUnitPath() const;
+};
+
+#endif