def render_relative_path(export_path, path)
      export_path = Pathname.new(export_path)
      path = Pathname.new(path).relative_path_from(export_path)
      return path.to_path
    end
def render_relative_path(export_path, path)
      export_path = Pathname.new(export_path)
      path = Pathname.new(path).relative_path_from(export_path)
      return path.to_path
    end
Returns a path relative to FastlaneFolder.path
 This is needed as the Preview.html file is located inside FastlaneFolder.path