Add initial work on Qt frontend

src/duckstation-qt/qtutils.h

@@ -0,0 +1,12 @@
+#pragma once
+#include <initializer_list>
+
+class QTableView;
+
+namespace QtUtils {
+
+/// Resizes columns of the table view to at the specified widths. A width of -1 will stretch the column to use the
+/// remaining space.
+void ResizeColumnsForTableView(QTableView* view, const std::initializer_list<int>& widths);
+
+} // namespace QtUtils