feat(editor): the signalling mode finds the station of a switch, lays it out as a schematic along its main track and keeps its name, code and line in the scenery

editor/editorIcons.hpp

@@ -51,6 +51,7 @@ enum class icon
 	gauge,
 	turntable,
 	parallel,
+	station,
 	more,
 	// the fields of work
 	work_surroundings,