Add a basic pool widget

More work is needed to make it workable:

- Download pools
- Clearing the thumbnail area when things are fetched
- Find a way to get more posts from the same pool

src/mainwindow.h

@@ -23,11 +23,15 @@
 #ifndef DANBOORU_CLIENT_H
 #define DANBOORU_CLIENT_H
 
+#include "libdanbooru/danboorupost.h"
+
+#include <QTableView>
+
 #include <kxmlguiwindow.h>
 #include <KSharedDataCache>
 #include <KImageCache>
 
-#include "libdanbooru/danboorupost.h"
+
 
 class QQuickWidget;
 
@@ -37,6 +41,7 @@ namespace Danbooru
 class DanbooruClientView;
 class DanbooruService;
 class DanbooruPostModel;
+class DanbooruPoolModel;
 class DanbooruConnectWidget;
 
 /**
@@ -54,8 +59,10 @@ class DanbooruMainWindow : public KXmlGuiWindow
 private:
     QQuickWidget *m_view;
     DanbooruPostModel *m_model;
+    DanbooruPoolModel *m_poolModel;
     DanbooruService *m_service;
     DanbooruConnectWidget *m_connectWidget;
+    QTableView *m_tableView;
     KImageCache *m_cache;
     static QHash<int, DanbooruPost::Rating> ratingMap;