New cpp folder structure

Signed-off-by: Alexander Borsuk <me@alex.bio>

libs/editor/ui2oh.hpp

@@ -0,0 +1,14 @@
+#pragma once
+
+#include "editor/opening_hours_ui.hpp"
+
+namespace osmoh
+{
+class OpeningHours;
+} // namespace osmoh
+
+namespace editor
+{
+osmoh::OpeningHours MakeOpeningHours(ui::TimeTableSet const & tts);
+bool MakeTimeTableSet(osmoh::OpeningHours const & oh, ui::TimeTableSet & tts);
+} // namespace editor