started to refactor Application

src/controllers/commands/CommandController.hpp

@@ -1,5 +1,7 @@
 #pragma once
 
+#include "common/Singleton.hpp"
+
 #include <QMap>
 #include <memory>
 #include <mutex>
@@ -12,7 +14,7 @@ class Channel;
 
 class CommandModel;
 
-class CommandController
+class CommandController : public Singleton
 {
 public:
     CommandController();
@@ -20,14 +22,16 @@ public:
     QString execCommand(const QString &text, std::shared_ptr<Channel> channel, bool dryRun);
     QStringList getDefaultTwitchCommandList();
 
-    void load();
-    void save();
+    virtual void initialize(Application &app) override;
+    virtual void save() override;
 
     CommandModel *createModel(QObject *parent);
 
     UnsortedSignalVector<Command> items;
 
 private:
+    void load();
+
     QMap<QString, Command> commandsMap_;
 
     std::mutex mutex_;