Huge cleanups and added open gl window

src/editor/models/includedfilesmodel.cpp

@@ -0,0 +1,22 @@
+#include "includedfilesmodel.h"
+
+#include "projectcontainer.h"
+
+IncludedFilesModel::IncludedFilesModel(ProjectContainer &project, QObject *parent) :
+    QAbstractListModel{parent},
+    m_project{project}
+{
+}
+
+int IncludedFilesModel::rowCount(const QModelIndex &parent) const
+{
+    Q_UNUSED(parent)
+    return 0;
+}
+
+QVariant IncludedFilesModel::data(const QModelIndex &index, int role) const
+{
+    Q_UNUSED(index)
+    Q_UNUSED(role)
+    return {};
+}