chore: recovery backups, temp files and misc campaign artifacts

.bak LocalHistory recovery backups, .tmp0/.tmp1, .gitignore update,
reasonix.toml, convert_videoparams.py. Kept as-is from the campaign
branch; cleanup can happen separately on main.

.bak/projectexplorer/projectexplorerlistview.cpp

@@ -0,0 +1,35 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2022 Olive Team
+  Modifications Copyright (C) 2025 mikesolar
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
+#include "projectexplorerlistview.h"
+
+namespace olive
+{
+
+ProjectExplorerListView::ProjectExplorerListView(QWidget *parent)
+	: ProjectExplorerListViewBase(parent)
+{
+	setViewMode(QListView::ListMode);
+
+	setItemDelegate(&delegate_);
+}
+
+}