docs: def inspect(self, tab_width=2, ident_char='-'):
      """
      Inspects a project file structure based based on the instance folder property.
  
      :param tab_width: width size for subfolders and files.
      :param ident_char: char to be used to show identation level
  
      Returns
        A string containing the project structure.
      """
      startpath = self.path
      output = []
      for (root, dirs, files) in os.walk(startpath):
        level = root.replace(startpath, '').count(os.sep)
        indent = ident_char * tab_width * (level)
        if level == 0:
          output.append('{}{}/'.format(indent, os.path.basename(root)))
        else:
          output.append('|{}{}/'.format(indent, os.path.basename(root)))
        subindent = ident_char * tab_width * (level + 1)
        [output.append('|{}{}'.format(subindent, f)) for f in files]
      return '\n'.join(output)