Move storage upload configuration to separate tab, later it can be uses for a plugin manager

src/config/configwindow.h

@@ -25,6 +25,7 @@ class ShortcutsWidget;
 class GeneneralConf;
 class QFileSystemWatcher;
 class VisualsEditor;
+class UploadStorageConfig;
 
 class ConfigWindow : public QTabWidget
 {
@@ -42,6 +43,7 @@ private:
     FileNameEditor* m_filenameEditor;
     ShortcutsWidget* m_shortcuts;
     GeneneralConf* m_generalConfig;
+    UploadStorageConfig* m_uploadStorageConfig;
     VisualsEditor* m_visuals;
     QFileSystemWatcher* m_configWatcher;
 };